CN108075445B - The control gauge device and correlation technique of power supply unit - Google Patents
The control gauge device and correlation technique of power supply unit Download PDFInfo
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- CN108075445B CN108075445B CN201610999625.2A CN201610999625A CN108075445B CN 108075445 B CN108075445 B CN 108075445B CN 201610999625 A CN201610999625 A CN 201610999625A CN 108075445 B CN108075445 B CN 108075445B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
- G05F1/573—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of control gauge devices, can be applied to power supply unit, wherein the power supply unit includes protection chip, the control gauge device includes: control unit；Transmission line.The transmission line is electrically connected between described control unit and the protection chip; wherein the transmission line is in the first situation; the second signal is transmitted to described control unit from the protection chip from described control unit the first signal of transmission to the protection chip, and in the second situation.
Description
Technical field
The present invention relates to a kind of control gauge devices of power supply unit, and more particularly, the present invention relates to one kind
For setting the control gauge device and method of the overcurrent protection aspect of the protection chip of power supply unit.
Background technique
Traditional overcurrent protection framework is by hardware circuit design, is entirely by protection chip and its periphery circuit design
It forms.The error of part and the error of circuit layout design often result in the OCP (Over for the product that same a batch is produced
Current Protection, overcurrent protection, hereinafter referred to as OCP) protective current range do not concentrate very much, or even with expection
Setting differs greatly, and other than considering the error of protection chip itself and needs part (RL, RS, Ri using high precision
Equal resistance) it matches, therefore increase cost of parts；Even if using variable resistance (VR), it is also desirable to by manually in production procedure
It is adjusted, but still not can avoid the error of artificial hand adjustment.
Although the protection chip of a new generation itself has the function of receivable setting signal, control jig can send out starting
The signal of OCP adjustment, after protecting chip to receive signal, protection chip can allow power supply unit (Power Supply
Unit, hereinafter referred to as PSU) it is switched on and carries out OCP setting.All transmission modes are all that single line is unidirectional, are by ATE
(Automatic Test Equipment, automatic test equipment, hereinafter referred to as ATE) sends out triggering signal after setting load again
(TTL) control jig is given；Control jig sends out the signal of specific fixation according to the triggering signal to the input pin of protection chip
(such as PSON).
But it since control jig is only used to the signal that trigger protection chip carries out setting OCP protection, is controlled during setting
Jig processed can not read protection chip and the state of PSU, and protect control jig after the completion of chip setting that can not also confirm write-in
As a result.Therefore once protection chip is during setting OCP protection, an error has occurred, and control jig can not also confirm different certainly
Normal cause, to can not exclude immediately.
Fig. 1 is please referred to, Fig. 1 system shows the control system 1a with the unidirectionally controlled interface of traditional single line, the control system
1a includes automated test device 100, control jig 101, power supply unit 102 and load 103, wherein the power supply unit
102 include protection chip 102.1.The automated test device 100 and the control jig 101, the power supply unit 102
And 103 electrical connection of load, the automated test device 100 can automatically test the opening of the power supply unit 102,
The functions such as shutdown.
After the load condition that the load 103 is completed in the automated test device 100 setting, the automatic test
Equipment 100 sends triggering signal (TTL) to the control jig 101, and the automated test device 100 is to the power supply at this time
Power supply unit 102 disconnects control；Specific signal is sent out to the protection chip 102.1 by the control jig 101 again.Due to described
Automated test device 100 does not know whether entire setting process terminates, therefore the automated test device 100 waits a spy
It fixes time after (such as 10 seconds), controls the power supply unit 102 again again after determining the entire setting process.Due to
The whole flow process is all that single line is unidirectional, therefore the automated test device 100 also has no way of whether learning the setting process
Terminate.
In the Taiwan patent of invention with notification number I367612, a kind of overcurrent protection circuit is disclosed and using it
Power adapter.Though the power adapter includes a feedback control circuit, the feedback control circuit does not have two-way
The function of transmission.
In the Taiwan application for a patent for invention with publication number 201417433, a kind of the excessively electric of power supply unit is disclosed
Stream protection chip and its setting method.Though the patent discloses an overcurrent protection chip, the patent mainly utilizes reception
Load current detection signal, baseline signal, unit setting data and compare signal etc., the setting of Lai Jinhang overcurrent protection is described
Overcurrent protection chip does not have the function of transmitted in both directions.
The control system 1a with the unidirectionally controlled interface of traditional single line is as described above.Due to current protection core
After piece does not have feedback function, therefore control jig sends out specific pulse wave, subsequent control is all recognized by protection chip oneself, such as
This is abnormal or generates error all can not detecting real-time.
Summary of the invention
In order to solve missing present in prior art, inventor proposes a kind of for setting the guarantor of power supply unit
Control gauge device and the method for the overcurrent protection aspect of chip are protected to be effectively improved above-mentioned missing.The special design of the present invention
It not only solves above-mentioned proposed missing while being also easy to realize, therefore, the present invention has industry utilizability.
According to above-mentioned conception, the embodiment of the present invention proposes a kind of control gauge device of power supply unit, wherein institute
Stating power supply unit includes protection chip.The control gauge device includes control unit, first transmission line and the second transmission
Line.Wherein the first transmission line is electrically connected between described control unit and the protection chip and in the first situation, from institute
It states control unit and transmits first signal to the protection chip.The wherein second transmission line is electrically connected to the control
Between unit and the protection chip, and in the second situation, it is single to the control that one second signal is transmitted from the protection chip
Member.
Another embodiment of the present invention is to provide a kind of for setting the first overcurrent of the protection chip of power supply unit
The method for protecting aspect, wherein the protection chip is electrically connected to control gauge device, the control gauge device includes a control
Unit processed.The method includes providing first and second transmission line, first and second memory for the protection chip, according to this
One and second signal judge whether the protection chip has setting the first overcurrent protection aspect, such as nothing, by described the
One overcurrent protection aspect is set in first memory, and such as the protection chip needs the second overcurrent protection aspect, will
The second overcurrent protection aspect is set in second memory.Wherein first and second described transmission line is electrically connected to described
Gauge device is controlled, the first transmission line transmits the first signal to the protection core in the first situation, from described control unit
Piece, and the second transmission line transmits the second signal to described control unit from the protection chip in the second situation.
A further embodiment of the present invention is to provide a kind of for setting the first excessively electric of the protection chip of power supply unit
The method of stream protection aspect, wherein the protection chip is electrically connected to control gauge device.The method includes for the protection
Chip provides transmission line, first and second memory, judges whether the protection chip has according to first and second described signal
The first overcurrent protection aspect is set, such as nothing, the first overcurrent protection aspect is set in first memory, with
And such as the protection chip needs the second overcurrent protection aspect, and the second overcurrent protection aspect is set in described second
It deposits.Wherein the control gauge device includes control unit, and the transmission line is electrically connected to described control unit, the transmission line
In the first situation, the first signal is transmitted to the protection chip from described control unit, and in the second situation from the protection core
Piece transmits the second signal to described control unit.
Another embodiment of the present invention is to provide a kind of control gauge device of power supply unit, wherein the power supply supplies
Answering device includes protection chip.The control gauge device includes control unit and transmission line.The wherein transmission line electrical connection
Between described control unit and the protection chip, and in the first situation, the first signal is transmitted to institute from described control unit
Protection chip is stated, transmits the second signal to described control unit from the protection chip in the second situation.
The present invention by the following example and illustrate, in order to this field tool general knowledge person deeper into understanding on
The purpose and advantage stated.
Detailed description of the invention
Fig. 1 is the schematic diagram of the control system with the unidirectionally controlled interface of traditional single line；
Fig. 2 is showing for the control system with the unidirectionally controlled interface of two-wire of first exemplary embodiment according to the present invention
It is intended to；
Fig. 3 (a) is the control system with mongline bidirectional control interface of display second exemplary embodiment of the invention
Schematic diagram；
Fig. 3 (b) is the first exemplary embodiment flow chart for the program that display executes multiple-unit number automatic identifying function；
Fig. 3 (c) is the second exemplary embodiment flow chart for the program that display executes multiple-unit number automatic identifying function；
Fig. 3 (d) is the first exemplary embodiment flow chart for the program that display executes multiple heavy industry；
Fig. 3 (e) is the second exemplary embodiment flow chart for the program that display executes multiple heavy industry；
Fig. 4 (a) is display control gauge device of the invention and the first exemplary example structure of chip is protected to illustrate
Figure；
Fig. 4 (b) is display control gauge device of the invention and the second exemplary example structure of chip is protected to illustrate
Figure；And
Fig. 5 is the schematic diagram of display control gauge device of the invention.
Specific embodiment
This case proposed invention can be illustrated to obtain abundant Liao solution by embodiment below, so that being familiar with this skill
Personage can complete accordingly.However, it will be recognized by those of ordinary skills, can none or it is multiple specific
The present invention is practiced in the case where details.The specific embodiment being described below represents exemplary embodiment of the present invention, and this
It is merely illustrative illustrative and not limiting in matter.All features disclosed in this specification or disclosed all methods or in the process
Step can combine in any way other than mutually exclusive feature and/or step.
Creation purpose of the invention is to improve traditional overcurrent protection framework, adjusts variable resistance with manpower, both took
When labor intensive cost again, especially Adjustment precision can not be uniformly controlled；Along with known techniques are that single line is unidirectionally applied, it is only used for
The triggering signal for providing protection chip uses, and jig setting process can not also be changed by being unable to monitor protection chip status.
The present invention be mainly by a programmable control jig, cooperation have can adjust automatically current protection guarantor
Chip is protected, and increases a feedback signal newly in known techniques, changes and transmission and feedback is reached in the unidirectional mode of mongline bidirectional or two-wire
Effect.Control jig itself has the control function of programmable, other than being used to set the protective current of output, for spy
Fixed protection chip also has the function of that multiple-unit determines automatically and multiple heavy industry, detects mistake, data memory etc. simultaneously, more compatible
In all automations or non-automated environment.
Referring to figure 2., Fig. 2 is the control with the unidirectionally controlled interface of two-wire of display first exemplary embodiment of the invention
System 2a processed.In Fig. 2, the control system 2a includes automated test device 200, control gauge device 201, power supply supply
Device 202, first transmission line T1, second transmission line T2 and load 203.The power supply unit 202 includes protection chip 202.1,
The control gauge device 201 includes control unit 201.1.In Fig. 2, the automated test device 200 is coupled to described
Control gauge device 201, the power supply unit 202 and the load 203, and the power supply unit 202 be coupled to it is described
Load 203.Described control unit 201.1 is via the first transmission line T1 and second transmission line T2 and the protection chip
202.1 electrical connection.
The control gauge device 201 of the invention has the Starting mode of automation.The automation frame of control system 2a
Structure includes multiple connectors (wire rod), and the multiple connector (wire rod) connects the programmable automated test device 200
It is connected to the control gauge device 201, the load 203 and the power supply unit 202, so as to the automated test device
200 are controlled.The automated test device 200 can send out triggering signal K1 (TTL signal) and start the control jig
Device 201 is sent out setting signal H1 and is born needed for the power supply unit 202 with load 203 described in automated setting with emulating
Load value, and the global function verifying that power-supply system can be carried out for the power supply unit 202 (is such as booting, shutdown
And efficiency etc.), to reach full-automatic testing process.
The automated test device 200 can also send out trigger signal K1 to start the control gauge device 201.It is described
Control gauge device 201 is only being activated when setting 202.1 Shi Caihui of protection chip, when the automated test device
200 when sending out trigger signal K1 to start the control gauge device 201, and the automated test device 200 simultaneously switches off pair
The movement that the power supply unit 202 controls.
Fig. 2 please be return, when the control gauge device 201 receives the touching that the automated test device 200 is sent out
When signalling K1, that is, enter the first situation, described control unit 201.1 can be via first transmission line T1 transmission one first at this time
Signal S1 is to the protection chip 202.1.Since the load 203 is to be coupled directly to the power supply unit 202, only
The protection chip 202.1 of the power supply unit 202 can detect the numerical value that the load 203 is set.Through transmission
The first signal S1 to it is described protection chip 202.1 with inquire after the first signal S1 whether with it is described load 203 numerical value
It matches.
When the second situation, the protection chip 202.1 is after receiving the first signal S1, the protection chip
202.1 can be via the second transmission line T2, one second signal S2 of feedback to described control unit 201.1.Such as when described negative
203 load currents for being set with 15A are carried, then described control unit 201.1 is through transmission the first signal S1 (example
Such as, the load current of 10A is represented), until the protection chip 202.1, because of 10A and 15A and misfits, the protection chip
202.1 via second transmission line T2, and the second signal S2 described in feedback informs that value representated by the first signal S1 does not conform to.?
After described control unit 201.1 receives the second signal S2, it can send out again and represent the first signal S1 of 11A and visit again
It askes.It attempts to achieve the effect that adjust similar to conventional variable resistance with mistake via continuous.
The application principle of the control system 2a of first exemplary embodiment is original using the protection chip 202.1
PSON pin recycles PGO (Power Good) pin as described the as the connecting pin of the first transmission line T1
The connecting pin of two transmission line T2, to increase feedback signal.
Fig. 3 (a) is please referred to, Fig. 3 (a) is display second exemplary embodiment of the invention with mongline bidirectional control
The schematic diagram of the control system 3a-1 of interface.In Fig. 3 (a), the control system with the mongline bidirectional control interface
3a-1 includes automated test device 300, control gauge device 301, power supply unit 302, transmission line Tx and load 303.Its
Described in power supply unit 302 include protection chip 302.1, the protection chip 302.1 include the first setup unit G1, second
Setup unit G2 and third setup unit G3, and the control gauge device 301 includes control unit 301.1.Described first sets
Order member G1 includes the first memory G11 of the first setup unit and the second memory G12 of the first setup unit；Second setting
Unit G2 includes the first memory G21 of the second setup unit and the second memory G22 of the second setup unit；And the third is set
Order member G3 includes the first memory G31 of third setup unit and the second memory G32 of third setup unit.
As shown in Fig. 3 (a), the automated test device 300 is coupled to the control gauge device 301, the power supply
Power supply unit 302 and the load 303, and the power supply unit 302 is coupled to the load 303.Described control unit 301.1
It is electrically connected via the transmission line Tx with the protection chip 302.1.Control system with the mongline bidirectional control interface
The main distinction technical characteristic of 3a-1 and the control system 2a with the unidirectionally controlled interface of the two-wire are described control unit
301.1 are electrically connected via a transmission lines Tx with the protection chip 302.1.Due to part protection chip and do not have
PGO pin, therefore the mode for taking signal shared.Control system 3a-1 of the invention can be applied to the protection of only PSON pin
Chip.
In one of present invention embodiment, described control unit 301.1 is microprocessor.Described control unit 301.1 can
Inquire whether the protection chip 302.1 has PGO pin to the protection chip 302.1 via submitting instruction, further according to
The unidirectional interface of mongline bidirectional interface or two-wire to be used is determined from the passback signal for protecting chip 302.1.
Referring to figure 3. (b), Fig. 3 (b) is the first exemplary for the program 3a-2 that display executes multiple-unit automatic identifying function
Embodiment flow chart.Please additionally referring to Fig. 3 (a).The control gauge device 301 is according to received from the protection chip 302.1
Feedback signal can carry out multiple-unit automatic identifying function with carry out overcurrent protection setting P.Described program 3a-2 is to describe such as
Under.In the step 310, described control unit 301.1 transmits the first signal S1 to the protection chip via transmission line Tx
302.1 with inquiry will (the first setup unit G1, the second setup unit G2 and the third be set to which setup unit
One of order member G3) carry out overcurrent protection setting.In step 311, the protection chip 302.1 is to judge simultaneously certainly
Confirm overcurrent protection setting object element Gp (the i.e. described first setup unit G1 shown in such as Fig. 3 (b)).
Then, in step 312, the protection chip 302.1 represents the over current protection via the transmission line Tx feedback
The second signal S2 of shield setting object element Gp is to described control unit 301.1.In step 313, described control unit 301.1
The overcurrent protection is carried out to overcurrent protection setting object element Gp via the transmission line Tx and sets P.In step 314
In, described control unit 301.1 is completed to set P to the overcurrent protection of the protection chip 302.1.
The power supply unit 302 has supplies multiple electric currents that export to the ability of multiple loads, such as output electricity respectively
It flow to the wherein at least one of hard disk, central processing unit and display adapter.The protection chip 302.1 can be directed to described more
A output electric current carries out respective overcurrent protection setting.When user determine it is (described to be determined to which setup unit
Setup unit be after can by the protection chip 302.1 be appointed as overcurrent protection setting object element Gp) progress described in
After overcurrent protection sets P, i.e., set in the automated test device 300.With the first setup unit G1 representative
Responsible supply outputs current to hard disk, the second setup unit G2 is represented to be responsible for supplying and outputed current to central processing unit and institute
It states third setup unit G3 and represents and be responsible for (having respectively inside the load 303 for supply outputs current to display adapter
Three emulation corresponding with the first setup unit G1, the second setup unit G2 and the third setup unit G3 are single
Member), if user determines to carry out overcurrent protection setting to the first setup unit G1, and the hard disk needs the electric current of 18A,
Then the automated test device 300 hard disk can be emulated into the load 303 (will not be to central processing unit and aobvious
Show that adapter is simulated, one time one group).
The automated test device 300 can set the corresponding simulation unit of the first setup unit G1 at this time
For the load for needing 18A electric current, other two simulation units are set as needing the load of 1A electric current.The 303 i.e. meeting of load
The first setup unit G1 is taken out and carries 18A electric current, the protection chip 302.1 can be picked out obviously described at this time to institute at this time
Stating the first setup unit G1 progress overcurrent protection setting, (18A electric current represents high voltage signal, and 1A electric current represents low-voltage news
Number).Firstly, the control gauge device 301 sends out the first signal S1 using the transmission line Tx with feedback function
To the protection chip 302.1；Then, the second signal S2 described in 302.1 feedback of protection chip is to described control unit
301.1 set object element Gp (i.e. in this example as described first with the overcurrent protection for confirming the protection chip 302.1
Setup unit G1)；Then, described control unit 301.1 carries out the overcurrent for the overcurrent protection setup unit Gp
Protection setting P.
Referring to figure 3. (c), Fig. 3 (c) is the second exemplary for the program 3a-3 that display executes multiple-unit automatic identifying function
Embodiment flow chart.Please additionally referring to Fig. 3 (a).The protection chip 302.1 more may extend to comprising first setup unit
G1 to a N setup unit Gn.Described program 3a-3 is to be described below.In the step 310, described control unit 301.1 via
The transmission line Tx transmit the first signal S1 to the protection chip 302.1 will be to which setup unit (or mistake with inquiry
Current protection sets object element Gp) (one of described first setup unit G1 to the N setup unit Gn) carried out
Current protection setting.In step 311, the protection chip 302.1 for judgement and confirms that the overcurrent protection sets mesh certainly
Mark unit Gp.
Then, in step 312, the protection chip 302.1 represents the over current protection via the transmission line feedback
The second signal S2 of shield setting object element Gp is to described control unit 301.1.In step 313, described control unit
301.1, which carry out the overcurrent protection to overcurrent protection setting object element Gp via the transmission line Tx, sets P.?
In step 314, described control unit 301.1 is completed to set P to the overcurrent protection of the protection chip 302.1.
The main distinction technical characteristic of described program 3a-2 and described program 3a-3 is that the protection chip 302.1 is extensible
To including the 1st setup unit G1 to the N setup unit Gn.
Referring to figure 3. (d), Fig. 3 (d) is the first exemplary embodiment process for the program 3a-4 that display executes multiple heavy industry
Figure.The control gauge device 301 can carry out multiple heavy industry function according to the feedback signal received from the protection chip 302.1
Energy.Described program 3a-4 is to be described below.In step 320, described control unit 301.1 is via transmission line Tx transmission the
Three signal S3 are to the protection chip 302.1 to understand first of first setup unit in the first setup unit G1
The storage condition of memory G11.In step 321, first memory for protecting chip 302.1 according to first setup unit
The storage condition of G11 come feedback represent first setup unit the first memory G11 the storage condition the 4th
Signal S4 is to described control unit 301.1；When the data of the first memory G11 of first setup unit are in overcurrent protection
When in non-setting state (when for sky), that is, indicate then to enter step 322 without the overcurrent protection setting P was carried out.In step
In 322, described control unit 301.1 carries out the first first over current protection to the first memory G11 of first setup unit
Protect the write-in of aspect A1.Wherein the first overcurrent protection aspect A1 represents the electric current for for example seeming protection point as 18A.
When the first memory G11 of first setup unit is in overcurrent protection setting state (to there is data
When), then enter step 323.In step 323, second memory for protecting chip 302.1 according to first setup unit
The storage condition of G12 come feedback represent first setup unit the second memory G12 storage condition one the 4th signal S4
To described control unit 301.1；When the second memory G12 of first setup unit is in the non-setting state of overcurrent protection
When (data be empty when), then return to step 322；In step 322, described control unit 301.1 is to first setup unit
The second memory G12 carry out one second overcurrent protection aspect A2 write-in, this i.e. secondary heavy industry, wherein second overcurrent
Protection aspect A2 represents the electric current for for example seeming protection point as 16A.
Referring to figure 3. (e), Fig. 3 (e) is the second exemplary embodiment process for the program 3a-5 that display executes multiple heavy industry
Figure.The distinguishing feature of described program 3a-5 and described program 3a-4 is step 324.The first setup unit G1 may include
N the memory G1n, the second setup unit G2 of the first memory G11 to the first setup unit of first setup unit with
And the third setup unit G3 also may include to N memory.Therefore the control gauge device 301 itself is also provided simultaneously with more
The function of secondary heavy industry.For specific settings unit, the control gauge device 301 needs to know which setting of which secondary write-in
Unit, therefore need to have the function of which time progress of identification overcurrent protection setting P (heavy industry).
Due to when take it is described protect chip 302.1 when do not know that the protection chip 302.1 carried out several times that this is excessively electric
Stream protection setting P, it is described that the control gauge device 301 wants energy send instructions to the protection chip 302.1 that can know
The specific settings unit of protection chip 302.1 was write several times, if writing once, that carries out secondary write-in
(i.e. secondary heavy industry).By taking the first setup unit G1 as an example, the control gauge device 301 can be single for first setting
First G1 sequentially sends out different instructions to 302.1 (the i.e. step 320) of protection chip；The protection chip 302.1 is first
It can be according to the storage condition of the first memory G11 of first setup unit, in represent first setup unit first
The data for depositing the storage condition of G11 pass 301 (the i.e. step 321) of control gauge device back through the second signal S2 described in feedback.
It, can be according to described the when the control gauge device 301 receives the second signal S2 of the protection chip 302.1
Two signal S2 determine the heavy industry that need to be written sequence (i.e. step 322) automatically.
When the first memory G11 of first setup unit is in overcurrent protection setting state (to there is data
When), then carry out step 323；When the second memory G12 of first setup unit is in overcurrent protection setting state
(when to there is data) then carries out third time heavy industry, carries out by this method, can be until entering step 324；And it is set to described first
The N memory G1n of order member carries out the write-in of a N overcurrent protection aspect An.
Referring to figure 4. (a), Fig. 4 (a) is the first of display control gauge device 401 of the invention and protection chip 402.1
Exemplary embodiments structure 4a-1 schematic diagram.Structure 4a-1 in Fig. 4 (a) is passed comprising the control gauge device 401, first
Defeated line T1, second transmission line T2 and the protection chip 402.1.The control gauge device 401 include control unit 401.1,
Logic analysis arithmetic element 401.2, recording unit 401.3 and except wrong unit 401.4.Wherein first transmission line T1 system is used to
It controls the remote opening (On) of power supply unit (Power Supply Unit, PSU) and closes (Off), the second transmission line
T2 system is used to show the state of PSU.In practice using upper, the first transmission line T1 can be realized on PSON pin, described
Second transmission line T2 can be realized in PGO pin.
Fig. 4 (a) is come back to, described control unit 401.1 is coupled to the logic analysis arithmetic element 401.2 to carry out
Two-way read-write；Described control unit 401.1 is coupled to the recording unit 401.3 to carry out data storage；Described control unit
401.1 are coupled to the mistake unit 401.4 that removes simultaneously to carry out two-way read-write；The logic analysis arithmetic element 401.2 via
The first transmission line T1 is electrically connected with the protection chip 402.1, and transmits the first signal S1；The protection chip 402.1
It is electrically connected via the second transmission line T2 with the logic analysis arithmetic element 401.2, and the second signal of feedback S2.
The control gauge device 401 of the invention is the control jig of a programmable.The control gauge device 401
Major function is that OCP (overcurrent protection) setting is carried out by the first signal S1 is transmitted, and by feedback from the protection
The second signal S2 of chip 402.1 determines to carry out next step automatically after interpreting, operates reach OCP setting repeatedly
Purpose.In addition the control gauge device 401, which is also equipped with, detects the functions such as wrong, memory.
The function of described control unit 401.1 is to carry out OCP to the protection chip of PSU (power supply unit) during setting
Parameter correction and data obtain, and the machine open/close program of PSU is automated.
The function of the recording unit 401.3 is for each time in described control unit 401.1 and the protection chip
The transmission of the first signal S1 carried out between 402.1 and the feedback situation of second signal S2 are stored.Even, the note
Record unit 401.3, which extends to, stores wrong phenomenon, and convertible numeric data and error code are stored in the control
In gauge device 401, reference data use can be used as.Above-mentioned wrong phenomenon is the condition feelings set in advance based on user
Under condition (such as abnormity of power supply), carries out transforming numerical data and be stored in the recording unit 401.3.
The mistake unit 401.4 that removes includes following function.Since the control gauge device 401 can monitor transmission signal
Both with feedback signal, therefore have and detect wrong function, therefore avoids that unexpected mistake occurs during setting；When being abnormal
When, control jig 401 can provide warning message (such as error code) to exclude abnormal phenomenon convenient for users to acceleration.Above-mentioned
It is unexpected that mistake be such as under normal flow, and power supply or signal are when something goes wrong.
The logic analysis arithmetic element 401.2 includes following function.The logic analysis arithmetic element 401.2, which receives, to be come
The second signal S2 from the protection chip 402.1 as feedback signal, and using specific algorithm to second news
Number S2 is handled, will after processing data parsing it is obtained through parsing data transmission to described control unit 401.1 with into
Row determines.Since the second signal S2 is binary system signal (0 and 1), the effect of the algorithm is in the binary system signal
Upper progress specially treated is to avoid noise.On the one hand protection point (such as electric current of 18A) is confirmed through lasting two-way communication.
Known mode manually is different from except mistake, and is improved by the way of number.
Referring to figure 4. (b), Fig. 4 (b) is the second of display control gauge device 401 of the invention and protection chip 402.1
Exemplary embodiments structure 4a-2 schematic diagram.Structure 4a-2 in Fig. 4 (b) includes the control gauge device 401, transmission line
Tx and the protection chip 403.1.It should be noted that 403.1 system of protection chip is different from first exemplary embodiment
The protection chip 402.1 in structure 4a-1, as shown in Fig. 4 (b), 403.1 system of protection chip only has single pin.Its
Described in control gauge device 401 include control unit 401.1, logic analysis arithmetic element 401.2, recording unit 401.3 and
Except wrong unit 401.4.The main distinction skill of second exemplary example structure 4a-2 and first exemplary example structure 4a-1
Art feature is the quantity of transmission line.Second exemplary example structure schematic diagram 4a-2 is applied only for single transmission line, i.e., described
Transmission line Tx.I.e. this structure is to apply in only single pin (such as PSON) and without the protection core of the second pin (such as PGO)
Piece.The transmission line Tx has the function of transmitting the second signal S2 described in the first signal S1 and feedback simultaneously.
Referring to figure 5., Fig. 5 is the schematic diagram of display control gauge device 501 of the invention.The control gauge device
501 include indicator light 502, status displays 503, mode switch 504, PORT COM 505 and start button 506, wherein institute
It states PORT COM 505 and is coupled to automated test device 500.The control gauge device 501 of the invention also has non-automatic
After the Starting mode of change, i.e. research staff or producers carry out load set manually, via the start button 506 with
Start the control gauge device 501 and carry out OCP setting process, and the survey of any non-automated can be set up according to production procedure
The test environment of test ring border or research staff.The mode switch 504 is for switching first time overcurrent protection aspect
The write-in of write-in and second of overcurrent protection aspect.
Fig. 5 please be return, the indicator light 502 ties up to the control gauge device 501 and completes after calibrating, and is used to indicate behaviour
Make the last indicator light of state.Green light is then issued after the control gauge device 501 is calibrated successfully, failure then issues feux rouges.
The status displays 503 can show write-in as a result, showing if being abnormal Shi Zeyong error code under normal flow.
The control gauge device 501 is connect via the PORT COM 505 with the automated test device 500, to reach and oneself
Dynamicization is tested environment and is combined.So design have can be set up according to production procedure any non-automated test environment or
The advantages of test environment of research staff.
Embodiment
1. a kind of control gauge device 201 of power supply unit 202, the control gauge device 201 includes that control is single
Member 201.1, first transmission line T1 and second transmission line T2.The power supply unit 202 includes protection chip 202.1, described
First transmission line T1 is electrically connected between described control unit 201.1 and the protection chip 202.1, wherein first transmission
Line T1 transmits the first signal S1 to the protection chip 202.1 in the first situation, from described control unit 201.1.Described second
Transmission line T2 is electrically connected between described control unit 201.1 and the protection chip 202.1, wherein the second transmission line T2
In the second situation, the second signal S2 is transmitted to described control unit 201.1 from the protection chip 202.1.
2. control gauge device 201 as described in Example 1, in which: the protection chip 202.1 is with more the first setting
Unit G1 and the second setup unit G2；Described control unit 201.1 is via transmission the first signal S1 to inquire the protection core
Piece 202.1 will set the progress overcurrent protection therein of the first setup unit G1 and the second setup unit G2
Determine P；And the protection chip 202.1 selects the first setup unit G1 and the second setup unit G2 from after for judgement
One of represent overcurrent protection setting object element to set object element Gp as overcurrent protection, and transmit
The second signal S2 of Gp is to described control unit 201.1 to carry out institute for overcurrent protection setting object element Gp
State overcurrent protection setting P.
3. the control gauge device 201 as described in embodiment 1 or 2, in which: the overcurrent protection sets object element Gp
With first and second memory；Described control unit 201.1 is to overcurrent protection setting object element Gp transmission described the
One signal S1 is to ask whether to have the first overcurrent protection aspect A1 of setting；Such as nothing, by the first overcurrent protection aspect
A1 is set in first memory；And as overcurrent protection setting object element Gp needs the second overcurrent protection aspect
The second overcurrent protection aspect A2 is set in second memory by A2.
4. the control gauge device 201 as described in one of Examples 1 to 33 further includes: logic analysis arithmetic element
401.2, status displays 503, recording unit 401.3 and except wrong unit 401.4.The logic analysis arithmetic element 401.2
An algorithm is stored, to carry out operation to the second signal S2.The status displays 503 are for showing a wrong generation
Code.The recording unit 401.3 is for recording the first signal S1 and the second signal S2.It is described to remove wrong unit 401.4
A default-error code table is stored, corresponding error code is shown on the status displays 503 when an exception occurs.
5. the control gauge device 201 as described in one of Examples 1 to 44, in which: first transmission line T1 system uses
Control remote opening and the closing of the power supply unit, second transmission line T2 system is used to show the shape of the power supply unit
State；The control gauge device 201 is further coupled to programmable automatically testing machine platform 200, wherein described programmable automatic
Change tester table 200 and be coupled to load 203 and the power supply unit 202, the load 203 is coupled to the power supply unit
202；The programmable automatically testing machine platform 200 via transmission one trigger signal K1 to the control gauge device 201 with
Automation carries out the overcurrent protection and sets P；And the programmable automatically testing machine platform 200 is set via transmission one
Signal H1 is set to the load 203 with automation.
6. the control gauge device 201 as described in one of Examples 1 to 55, in which: the load 203 can be via institute
Programmable automatically testing machine platform 200 is stated to be set automatically or via manually being manually set；And the control is controlled
Tool device 201 further includes a start button 501 for starting the control gauge device 201 when manually setting.
7. a kind of for setting the side of the first overcurrent protection aspect A1 of the protection chip 202.1 of power supply unit 202
Method, wherein the protection chip 202.1 is electrically connected to control gauge device 201, the control gauge device 201 includes that control is single
Member 201.1, which comprises for the protection chip 202.1 provide first transmission line T1 and second transmission line T2, first and
Second memory, wherein the first transmission line T1 and the second transmission line T2 are electrically connected to the control gauge device 201, institute
First transmission line T1 is stated in the first situation, transmits the first signal S1 to the protection chip from described control unit 201.1
202.1, and the second transmission line T2 transmits the second signal S2 to the control from the protection chip 202.1 in the second situation
Unit 201.1；It is excessively electric to judge whether the protection chip 202.1 has setting described first according to first and second described signal
Stream protection aspect A1；Such as nothing, the first overcurrent protection aspect A1 is set in first memory；And such as the protection
Chip needs the second overcurrent protection aspect A2, and the second overcurrent protection aspect A2 is set in second memory.
8. a kind of for setting the side of the first overcurrent protection aspect A1 of the protection chip 102.1 of power supply unit 202
Method, wherein the protection chip 202.1 is electrically connected to control gauge device 201, which comprises be the protection chip
202.1 provide transmission line Tx, first and second memory, wherein the control gauge device 201 includes control unit 201.1, institute
It states transmission line Tx and is electrically connected to described control unit 201.1, the transmission line Tx is in the first situation, from described control unit
201.1 the first signal S1 of transmission transmit the from the protection chip 202.1 to the protection chip 202.1, and in the second situation
Two signal S2 are to described control unit 201.1；Whether the protection chip 202.1 is judged according to first and second described signal
There is setting the first overcurrent protection aspect A1；Such as nothing, the first overcurrent protection aspect A1 is set in described first
Memory；And such as the protection chip 202.1 needs the second overcurrent protection aspect A2, by the second overcurrent protection aspect A2
It is set in second memory.
9. a kind of control gauge device 201 of power supply unit 202, wherein the power supply unit 202 includes protection
Chip 202.1, the control gauge device 201 include control unit 201.1 and transmission line Tx.The transmission line Tx electrical connection
Between described control unit 201.1 and the protection chip 202.1, wherein the transmission line Tx is in the first situation, described in
Control unit 201.1 transmits the first signal S1 to the protection chip 202.1, and in the second situation from the protection chip
202.1 transmit the second signal S2 to described control unit 201.1.
Control gauge device 201 as described in Example 9, in which: the protection chip 202.1 is single with more the first setting
First G1 and the second setup unit G2；Described control unit 201.1 via transmit the first signal S1 to inquire the protection chip
202.1 will carry out overcurrent protection setting for one of the first setup unit G1 and the second setup unit G2
P；And the protection chip 202.1 selects the first setup unit G1's and the second setup unit G2 from after for judgement
One of them represents the overcurrent protection setting object element Gp to set object element Gp as overcurrent protection, and transmit
The second signal S2 to described control unit 201.1 with for the overcurrent protection setting object element Gp carry out described in
Overcurrent protection sets P.
In conclusion explanation of the invention and embodiment have been disclosed in, so its it is non-be used to limit the present invention, it is all it is known this
Those skilled in the art is not departing under spirit and scope of the invention, when that can do various changes and modification, should belong to of the invention special
Within the covering scope of benefit.
Claims (8)
1. the control gauge device of a kind of power supply unit, wherein the power supply unit includes protection chip, the control
Gauge device includes:
Control unit；
First transmission line is electrically connected between described control unit and the protection chip, and wherein the first transmission line is in the first feelings
Condition transmits the first signal to the protection chip from described control unit；And
Second transmission line is electrically connected between described control unit and the protection chip, wherein the second transmission line is in
Two situations transmit the second signal to described control unit from the protection chip, in which:
The protection chip has more first and second setup unit；
Described control unit is via transmission first signal to inquire that the protection chip will set described first and second
One of order member carries out overcurrent protection setting；And
The protection chip according to the load of electric current required for first and second described setup unit from be select after judgement described in
One of first and second setup unit transmits to set object element as overcurrent protection and represents the overcurrent
Second signal of protection setting object element is to described control unit to set object element for the overcurrent protection
Carry out the overcurrent protection setting.
2. control gauge device according to claim 1, in which:
The overcurrent protection setting object element has first and second memory；
Described control unit is transmitted first signal to overcurrent protection setting object element and is set with asking whether to have
Fixed first overcurrent protection aspect；
Such as nothing, the first overcurrent protection aspect is set in first memory；And
If overcurrent protection setting object element needs the second overcurrent protection aspect, by the second overcurrent protection aspect
It is set in second memory.
3. control gauge device according to claim 1, further includes:
Logic analysis arithmetic element, stores algorithm, to carry out operation to second signal；
Status displays, for showing error code；
Recording unit, for recording first signal and second signal；And
Except wrong unit, default-error code table is stored, corresponding error code is shown in the state when an exception occurs
On display.
4. control gauge device according to claim 1, in which:
The first transmission line system is used to control remote opening and the closing of the power supply unit, and the second transmission line system uses
To show the state of the power supply unit；
The control gauge device is further coupled to programmable automatically testing machine platform, wherein the programmable automatic test
Board is coupled to load and the power supply unit, and the load coupled is in the power supply unit；
The programmable automatically testing machine platform automates progress to the control gauge device via transmission triggering signal
Overcurrent protection setting；And
The programmable automatically testing machine platform is set via transmission setting signal to the load with automating.
5. control gauge device according to claim 4, in which:
The load can be set automatically via the programmable automatically testing machine platform or via manually being set manually
It is fixed；And
The control gauge device further includes start button for starting the control gauge device when manually setting.
6. a kind of method for setting the first overcurrent protection aspect of the protection chip of power supply unit, wherein the protection
Chip is electrically connected to control gauge device, and the control gauge device includes control unit, this method comprises:
First and second transmission line, first and second memory are provided for the protection chip, wherein first and second described transmission
Line is electrically connected to the control gauge device, and the first transmission line is in the first situation, from the first news of described control unit transmission
Number to the protection chip, and the second transmission line in the second situation from the protection chip the second signal of transmission to the control
Unit processed；
Judge whether the protection chip has setting the first overcurrent protection aspect according to first and second described signal；
Such as nothing, the first overcurrent protection aspect is set in first memory；And
If the protection chip needs the second overcurrent protection aspect, the second overcurrent protection aspect is set in described second
Memory.
7. a kind of method for setting the first overcurrent protection aspect of the protection chip of power supply unit, wherein the protection
Chip is electrically connected to control gauge device, which comprises
Transmission line, first and second memory are provided for the protection chip, wherein the control gauge device includes control unit,
The transmission line is electrically connected to described control unit, and the transmission line is in the first situation, from the first news of described control unit transmission
Number to the protection chip, and in the second situation from the protection chip the second signal of transmission to described control unit；
Judge whether the protection chip has setting the first overcurrent protection aspect according to first and second described signal；
Such as nothing, the first overcurrent protection aspect is set in first memory；And
If the protection chip needs the second overcurrent protection aspect, the second overcurrent protection aspect is set in described second
Memory.
8. the control gauge device of a kind of power supply unit, wherein the power supply unit includes protection chip, the control
Gauge device includes:
Control unit；And
Transmission line is electrically connected between described control unit and the protection chip, wherein the transmission line is in the first situation, from
Described control unit transmits the first signal to the protection chip, and in the second situation from the protection chip the second signal of transmission
To described control unit, in which:
The protection chip has more first and second setup unit；
Described control unit is via transmission first signal to inquire that the protection chip will set described first and second
One of order member carries out overcurrent protection setting；And
The protection chip according to the load of electric current required for first and second described setup unit from be select after judgement described in
One of first and second setup unit transmits to set object element as overcurrent protection and represents the overcurrent
Second signal of protection setting object element is to described control unit to set object element for the overcurrent protection
Carry out the overcurrent protection setting.
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| CN201610999625.2A CN108075445B (en) | 2016-11-14 | 2016-11-14 | The control gauge device and correlation technique of power supply unit |
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| CN201610999625.2A CN108075445B (en) | 2016-11-14 | 2016-11-14 | The control gauge device and correlation technique of power supply unit |
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| CN108075445B true CN108075445B (en) | 2019-06-28 |
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|---|---|---|---|---|
| US6359410B1 (en) * | 2000-02-22 | 2002-03-19 | Cei Co., Ltd. | Apparatus and method for motor current protection through a motor controller |
| CN103792984A (en) * | 2012-10-26 | 2014-05-14 | 伟诠电子股份有限公司 | Overcurrent protection chip of power supply and setting method thereof |
| CN103795277A (en) * | 2012-10-30 | 2014-05-14 | 康舒科技股份有限公司 | Power supply with output protection function and control method thereof |
| TWI450629B (en) * | 2010-12-27 | 2014-08-21 | Lg Innotek Co Ltd | Power supply |
| CN104122917A (en) * | 2013-04-24 | 2014-10-29 | 立锜科技股份有限公司 | Protection device and correcting method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6359410B1 (en) * | 2000-02-22 | 2002-03-19 | Cei Co., Ltd. | Apparatus and method for motor current protection through a motor controller |
| TWI450629B (en) * | 2010-12-27 | 2014-08-21 | Lg Innotek Co Ltd | Power supply |
| CN103792984A (en) * | 2012-10-26 | 2014-05-14 | 伟诠电子股份有限公司 | Overcurrent protection chip of power supply and setting method thereof |
| CN103795277A (en) * | 2012-10-30 | 2014-05-14 | 康舒科技股份有限公司 | Power supply with output protection function and control method thereof |
| CN104122917A (en) * | 2013-04-24 | 2014-10-29 | 立锜科技股份有限公司 | Protection device and correcting method thereof |
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| CN108075445A (en) | 2018-05-25 |
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