CN108075445A - 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
- Publication number
- CN108075445A CN108075445A CN201610999625.2A CN201610999625A CN108075445A CN 108075445 A CN108075445 A CN 108075445A CN 201610999625 A CN201610999625 A CN 201610999625A CN 108075445 A CN108075445 A CN 108075445A
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- China
- Prior art keywords
- protection
- signal
- protection chip
- overcurrent protection
- unit
- Prior art date
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Classifications
-
- 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
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- 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
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 described transmission line is in the first situation; the first signal is transmitted to the protection chip from described control unit, and transmits the second signal to described control unit from the protection chip 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 technology
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, hereinafter referred to as overcurrent protection, OCP) protective current scope do not concentrate very much in addition with expection
Setting differs greatly, and in addition to considering protection chip error in itself and needs part (RL, RS, the Ri using high precision
Wait resistance) it matches, therefore increase cost of parts；It even if uses variable resistor (VR), it is also desirable to by manually in production procedure
It is adjusted, but still the error of artificial hand adjustment can not be avoided.
Although the protection chip of a new generation possesses the function that can receive setting signal in itself, control gauge can send out startup
The signal of OCP adjustment, after chip is protected to receive signal, protection chip can allow power supply unit (Power Supply
Unit, hereinafter referred to as PSU) it starts shooting and carries out OCP settings.All transmission modes are all that single line is unidirectional, are by ATE
(Automatic Test Equipment, hereinafter referred to as automatic test equipment, ATE) sends out triggering signal again after setting load
(TTL) control gauge is given；Control gauge sends out specific fixed signal according to the triggering signal to the input pin of protection chip
(such as PSON).
But it since control gauge only carries out the signal of setting OCP protections for trigger protection chip, is controlled during setting
Gauge processed can not read protection chip and the state of PSU, and chip setting is protected to control gauge that can not also confirm write-in after finishing
As a result.Therefore once protection chip is during setting OCP protections, an error has occurred, and control gauge can not also confirm different certainly
Normal cause, so as to exclude immediately.
Fig. 1 is refer to, Fig. 1 systems show the control system 1a with the unidirectionally controlled interface of traditional single line, the control system
1a includes automated test device 100, control gauge 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 gauge 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 for completing the load 103 in the automated test device 100 setting, the automatic test
Equipment 100 sends triggering signal (TTL) to the control gauge 101, and the automated test device 100 is to the power supply at this time
Supply 102 disconnects control；Specific signal is sent out to the protection chip 102.1 by the control gauge 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), determines to control the power supply unit 102 again again after 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 circuit overcurrent protection is disclosed and using it
Power supply changeover device.Though the power supply changeover device 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 set data and compare signal etc., described to carry out overcurrent protection setting
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 gauge 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.
The content of the invention
In order to solve to be lacked present in prior art, inventor proposes a kind of guarantor for being used to set 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 put forward missing to be also easy to realize simultaneously, 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
It states power supply unit and includes protection chip.The control gauge device includes control unit, first transmission line and the second transmission
Line.Wherein described 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.Wherein described 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 to transmit one second signal from the protection chip
Member.
Another embodiment of the present invention is to provide a kind of first overcurrent of the protection chip for being used to set 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 described method includes providing first and second transmission line, first and second memory for the protection chip, according to this
One and second signal judge the whether existing setting of the protection chip the first overcurrent protection aspect, such as nothing, by described the
One overcurrent protection aspect is set in first memory and as described chip is protected to need the second overcurrent protection aspect, will
The second overcurrent protection aspect is set in second memory.First and second wherein 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 in the second situation from the protection chip.
A further embodiment of the present invention is to provide a kind of excessively electric for setting the first 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 described 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 as described chip is protected to need the second overcurrent protection aspect, the second overcurrent protection aspect is set in described second
It deposits.Wherein described 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
Device is answered to include protection chip.The control gauge device includes control unit and transmission line.Wherein described 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, the second signal is transmitted to described control unit from the protection chip in the second situation.
It is of the invention by the following example and to illustrate, in order to this field tool general knowledge person deeper into understanding on
The purpose and advantage stated.
Description of the drawings
Fig. 1 is the schematic diagram of the control system with the unidirectionally controlled interface of traditional single line；
Fig. 2 shows for the control system with the unidirectionally controlled interface of two-wire of the 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 the second exemplary embodiment of the display present invention
Schematic diagram；
Fig. 3 (b) is the first exemplary embodiment flow chart for the program that display performs multiple-unit number automatic identifying function；
Fig. 3 (c) is the second exemplary embodiment flow chart for the program that display performs multiple-unit number automatic identifying function；
Fig. 3 (d) is the first exemplary embodiment flow chart for the program that display performs multiple heavy industry；
Fig. 3 (e) is the second exemplary embodiment flow chart for the program that display performs multiple heavy industry；
Fig. 4 (a) is the control gauge device of the display present invention with the first exemplary example structure of chip is protected to illustrate
Figure；
Fig. 4 (b) is the control gauge device of the display present invention with the second exemplary example structure of chip is protected to illustrate
Figure；And
Fig. 5 is the schematic diagram of the control gauge device of the display present invention.
Specific embodiment
This case proposed invention will can be obtained abundant Liao solutions by following embodiment so that be familiar with this skill
Personage can complete according to this.However, it will be recognized by those of ordinary skills can be in neither one or multiple specific
The present invention is put into practice in the case of 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 or disclosed all methods disclosed in this specification or in the process
Step in addition to mutually exclusive feature and/or step, can combine in any way.
The creation purpose of the present invention adjusts variable resistor to improve traditional overcurrent protection framework, with manpower, both takes
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
There is provided protection chip triggering signal use, can not monitoring and protecting chip status can not also change gauge setting process.
The present invention mainly by a programmable control gauge, cooperation possess can adjust automatically current protection guarantor
Chip is protected, and a feedback signal is increased newly in known techniques, changes and reaches transmission and feedback in a manner that mongline bidirectional or two-wire are unidirectional
Effect.Control gauge that there is the control function of programmable in itself, in addition to being used for setting the protective current of output, for spy
Fixed protection chip also simultaneously have the function of multiple-unit judge automatically and repeatedly heavy industry, detect mistake, data memory etc., it is more compatible
In all automations or non-automated environment.
Fig. 2 is refer to, Fig. 2 is the control with the unidirectionally controlled interface of two-wire of the first exemplary embodiment of the display present 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 present invention possesses 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
The control gauge device 201, the load 203 and the power supply unit 202 are connected to, so as to the automated test device
200 are controlled.The automated test device 200 can send out triggering signal K1 (TTL signals) and start the control gauge
Device 201, it is negative needed for the power supply unit 202 to emulate to load 203 described in automated setting to send out setting signal H1
Load value, and the global function verification that can be directed to the power supply unit 202 progress power-supply system (is such as start, 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 only when to set it is described protection chip 202.1 when can just be activated, when the automated test device
When 200 submitting trigger signal K1 are to start the control gauge device 201, the automated test device 200 simultaneously switches off pair
The action that the power supply unit 202 controls.
Fig. 2 please be return, when the control gauge device 201 receives touching for the submitting of automated test device 200
During signalling K1, i.e., into the first situation, described control unit 201.1 can be via first transmission line T1 transmission one first at this time
Signal S1 protects chip 202.1 to described.Due to the load 203 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 the first signal S1 is received, 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 (examples
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 the 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 pins are used as the connecting pin of the first transmission line T1, and PGO (Power Good) pin is recycled to be used as described the
The connecting pin of two transmission line T2, to increase feedback signal.
Fig. 3 (a) is refer to, Fig. 3 (a) is the second exemplary embodiment of the display present invention with mongline bidirectional control
The schematic diagram of the control system 3a-1 of interface.In Fig. 3 (a), there is the control system of 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, it is described protection chip 302.1 include the first setup unit G1, second
Setup unit G2 and the 3rd 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 described 3rd set
Order member G3 includes the first memory G31 of the 3rd setup unit and the second memory G32 of the 3rd setup unit.
As shown in Fig. 3 (a), the automated test device 300 is coupled to the control gauge device 301, the power supply
Supply 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 pins, therefore the mode that signal is taken to share.The control system 3a-1 of the present invention can be applied to the protection of only PSON pins
Chip.
In one of present invention embodiment, described control unit 301.1 is microprocessor.Described control unit 301.1 can
Via instruction is sent out to the protection chip 302.1 to inquire whether the protection chip 302.1 has PGO pins, further according to
From described the passback signal of chip 302.1 is protected to determine the unidirectional interface of mongline bidirectional interface or two-wire to be used.
Fig. 3 (b) is refer to, Fig. 3 (b) is the first exemplary for the program 3a-2 that display performs 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 described 3rd 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 (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 feedbacks
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 possesses supplies ability of multiple output currents to multiple loads respectively, such as output electricity
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 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 it is described protection chip 302.1 be appointed as overcurrent protection setting object element Gp) carry out described in
After overcurrent protection setting P, i.e., set in the automated test device 300.It is represented with the first setup unit G1
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 the 3rd setup unit G3 and represents and be responsible for (having respectively inside the load 303 exemplified by supply outputs current to display adapter
Three single with the corresponding emulation of the first setup unit G1, the second setup unit G2 and the 3rd setup unit G3
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 units of the first setup unit G1 at this time
To need the load of 18A electric currents, other two simulation units are set as needing with the load of 1A electric currents.The i.e. meeting of load 303
The first setup unit G1 is taken out and carries 18A electric currents, the protection chip 302.1 can be picked out substantially described at this time to institute at this time
Stating the setting of the first setup unit G1 progress overcurrent protections, (18A electric currents represent high voltage signal, and 1A electric currents represent low-voltage news
Number).First, 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, it is described to protect the second signal S2 described in 302.1 feedback of chip to described control unit
301.1 set object element Gp (i.e. in this example as described first using 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.
Fig. 3 (c) is refer to, Fig. 3 (c) is the second exemplary for the program 3a-3 that display performs 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 units 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 to inquire
Current protection sets object element Gp) (one of described first setup unit G1 to the N setup units Gn) carried out
Current protection is set.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 carry out the overcurrent protection via the transmission line Tx to overcurrent protection setting object element Gp 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 units Gn.
Fig. 3 (d) is refer to, Fig. 3 (d) is the first exemplary embodiment flow for the program 3a-4 that display performs multiple heavy industry
Figure.The control gauge device 301 can carry out multiple heavy industry work(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 protect chip 302.1 to understand first of first setup unit in the first setup unit G1 to described
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 (for sky when), that is, indicate without overcurrent protection setting P was carried out, then to enter step 322.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.It for example seems electric current of the protection point as 18A that wherein described first overcurrent protection aspect A1, which is represented,.
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 for 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
It for example seems electric current of the protection point as 16A that protection aspect A2, which is represented,.
Fig. 3 (e) is refer to, Fig. 3 (e) is the second exemplary embodiment flow for the program 3a-5 that display performs 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 can be included
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 3rd setup unit G3 can be also included to N memories.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 which setting of which secondary write-in known
Unit, therefore need to possess 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
Protection setting P is flowed, 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, it is single that the control gauge device 301 can be directed to the described first setting
First G1 protects 302.1 (i.e. step 320) of chip sequentially to send out different instructions to described；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 judge the heavy industry that need to be write order (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
(during 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 memories G1n of order member carries out the write-in of a N overcurrent protection aspects An.
Fig. 4 (a) is refer to, Fig. 4 (a) is the control gauge device 401 of the display present invention with protecting the first of chip 402.1
Exemplary embodiments structure 4a-1 schematic diagrames.Structure 4a-1 in Fig. 4 (a) includes the control gauge device 401, first and passes
Defeated line T1, second transmission line T2 and the protection chip 402.1.It is described 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 described first transmission line T1 systems are used for
It controls the remote opening (On) of power supply unit (Power Supply Unit, PSU) and closes (Off), the second transmission line
T2 systems are used for showing the state of PSU.In practice using upper, the first transmission line T1 can be realized in PSON pins, described
Second transmission line T2 can be realized in PGO pins.
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 be coupled to simultaneously it is described except wrong unit 401.4 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 present invention is the control gauge of a programmable.The control gauge device 401
Major function is to carry out OCP (overcurrent protection) settings by the first signal S1 is transmitted, and by feedback from the protection
The second signal S2 of chip 402.1 judges to carry out next step after understanding, so operates repeatedly and reach OCP settings automatically
Purpose.In addition the control gauge device 401 is also equipped with detecing 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 is obtained with data, 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 is stored in the control with error code
In gauge device 401, it can be used as and be used with reference to data.Above-mentioned wrong phenomenon is based on user's condition feelings set in advance
Under condition (such as abnormity of power supply), carry 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 possess and detect wrong function, therefore avoid that unexpected mistake occurs during setting；When being abnormal
When, control gauge 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 interrogated using specific algorithm to described second
Number S2 processing, will be obtained after processing data parsing through parse data send to described control unit 401.1 with into
Row judges.Since the second signal S2 is binary system signal (0 and 1), the algorithm is act as 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.
Fig. 4 (b) is refer to, Fig. 4 (b) is the control gauge device 401 of the display present invention with protecting the second of chip 402.1
Exemplary embodiments structure 4a-2 schematic diagrames.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 the 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 the 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 is characterized as 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 to transmit the second signal S2 described in the first signal S1 and feedback simultaneously.
Fig. 5 is refer to, Fig. 5 is the schematic diagram of the control gauge device 501 of the display present 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 present invention also possesses 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
Test ring border or the test environment of research staff.The mode switch 504 is for switching first time overcurrent protection aspect
Write-in and the write-in of 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 sent after the control gauge device 501 is calibrated successfully, failure then sends feux rouges.
The status displays 503 can show write-in as a result, being shown if when being abnormal with error code under normal flow.
The control gauge device 501 is connected via the PORT COM 505 with the automated test device 500, to reach and oneself
Dynamicization test environment combines.So design with 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, it is single that the control gauge device 201 includes control
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, wherein：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 the first signal S1 is transmitted to inquire the protection core
Piece 202.1 will be set for 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 with for overcurrent protection setting object element Gp progress institute
State overcurrent protection setting P.
3. the control gauge device 201 as described in embodiment 1 or 2, wherein：The overcurrent protection setting object element Gp
With first and second memory；Described control unit 201.1 described to overcurrent protection setting object element Gp transmission the
One signal S1 is to ask whether the first overcurrent protection aspect A1 of existing 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
401.2nd, 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 computing to the second signal S2.The status displays 503 is for the wrong generation of display one
Code.The recording unit 401.3 is used to record 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, wherein：The first transmission line T1 systems use
Control the remote opening of the power supply unit and closing, the second transmission line T2 systems are used for showing 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 triggering signal K1 to it is described control gauge device 201 with
Automation carries out the overcurrent protection setting P；And the programmable automatically testing machine platform 200 is via one setting of transmission
Signal H1 to it is described load 203 with automation set.
6. the control gauge device 201 as described in one of Examples 1 to 55, wherein：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 starts the control gauge device 201 when further including a start button 501 for manually setting.
7. a kind of side of first overcurrent protection aspect A1 of the protection chip 202.1 for being used to set power supply unit 202
Method, wherein the protection chip 202.1 is electrically connected to control gauge device 201, it is single that the control gauge device 201 includes control
Member 201.1, the described method includes：For it is described 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, the first signal S1 is transmitted 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 in the second situation from the protection chip 202.1
Unit 201.1；Judge that whether existing the protection chip 202.1 setting described first be excessively electric 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 side of first overcurrent protection aspect A1 of the protection chip 102.1 for being used to set power supply unit 202
Method, wherein the protection chip 202.1 is electrically connected to control gauge device 201, the described method includes：For 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 are to the protection chip 202.1, and in the second situation from protection chip 202.1 transmission the
Two signal S2 are to described control unit 201.1；Whether to judge the protection chip 202.1 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 as described chip 202.1 is protected to need 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 connections
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, wherein：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 is via transmitting 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 described in being carried out for overcurrent protection setting object element Gp
Overcurrent protection sets P.
In conclusion explanation and the embodiment of the present invention have been disclosed in, so its it is non-be used for limiting the present invention, it is all it is known this
Those skilled in the art is not being departed under spirit and scope of the invention, when that can do various changes and modification, should be belonged to of the invention special
Within the covering scope of profit.
Claims (10)
1. a kind of control gauge device 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 the
Two situations transmit the second signal to described control unit from the protection chip.
2. control gauge device according to claim 1, wherein：
The protection chip has more first and second setup unit；
Described control unit is via first signal is transmitted to inquire that the protection chip will be set for described first and second
One of order member carries out overcurrent protection setting；And
The protection chip is from being one of first and second setup unit described in select after judging using as over current protection
Shield setting object element, and transmit represent overcurrent protection setting object element second signal it is single to the control
Member is with for the overcurrent protection setting object element progress overcurrent protection setting.
3. control gauge device according to claim 2, wherein：
The overcurrent protection setting object element has first and second memory；
Described control unit transmits first signal to ask whether existing set to overcurrent protection setting object element
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.
4. control gauge device according to claim 1, further includes：
Logic analysis arithmetic element, stores algorithm, to carry out computing 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.
5. control gauge device according to claim 1, wherein：
The first transmission line system is used for controlling 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 is carried out via transmission triggering signal to the control gauge device with automating
The overcurrent protection setting；And
The programmable automatically testing machine platform is set via transmission setting signal to the load with automating.
6. control gauge device according to claim 5, wherein：
The load can carry out setting automatically via the programmable automatically testing machine platform or via manually being set manually
It is fixed；And
The control gauge device starts the control gauge device when further including start button for manually setting.
7. it is a kind of for setting the method for 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, and this method includes：
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 transmits the second signal to the control in the second situation from the protection chip
Unit processed；
Judge whether existing setting the first overcurrent protection aspect of the protection chip 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. it is a kind of for setting the method for the first overcurrent protection aspect of the protection chip of power supply unit, wherein the protection
Chip is electrically connected to control gauge device, the described method includes：
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 the second signal is transmitted to described control unit from the protection chip to the protection chip, and in the second situation；
Judge whether existing setting the first overcurrent protection aspect of the protection chip 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.
9. a kind of control gauge device 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 transmits the second signal from the protection chip in the second situation
To described control unit.
10. control gauge device according to claim 9, wherein：
The protection chip has more first and second setup unit；
Described control unit is via first signal is transmitted to inquire that the protection chip will be set for described first and second
One of order member carries out overcurrent protection setting；And
The protection chip is to select one of first and second setup unit using as overcurrent protection after judging
Object element is set, and transmits and represents second signal of overcurrent protection setting object element to described control unit
To carry out the overcurrent protection setting for overcurrent protection setting object element.
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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 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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2016
- 2016-11-14 CN CN201610999625.2A patent/CN108075445B/en active Active
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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| CN108075445B (en) | 2019-06-28 |
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