CN202353178U - Universal protector - Google Patents
Universal protector Download PDFInfo
- Publication number
- CN202353178U CN202353178U CN2011204391913U CN201120439191U CN202353178U CN 202353178 U CN202353178 U CN 202353178U CN 2011204391913 U CN2011204391913 U CN 2011204391913U CN 201120439191 U CN201120439191 U CN 201120439191U CN 202353178 U CN202353178 U CN 202353178U
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Abstract
The utility model discloses a universal protector, which comprises an analogue quantity input circuit, a logic action switching value input circuit, a first single chip inside which an analogue-digital converter is arranged, a relay output circuit, a parameter configuration switching value input circuit and a second single chip. Therefore, a processor of the universal protector disclosed by the utility model is a double-processor structure composed of a first single chip and a second single chip; the input and output of the data is finished by combination of the first single chip and the second single chip, and the analogue-digital conversion of the input of the analogue quantity is directly finished in the first single chip inside which the analogue-digital converter is arranged, so the real-time processing capability of the universal protector is increased.
Description
Technical field
The utility model relates to a kind of Electrical Safety protective device, relates in particular to a kind of general protector.
Background technology
Protector is meant the device that Electrical Safety protection is provided to power consumption equipment, and it is built-in with the anti-high-pressure installation of intelligence, meets with at electrical equipment under the abnormal conditions such as instant high-voltage, can the intelligent starting device for internal protection, guarantee the Electrical Safety of rear end power consumption equipment.The input of the analog quantity of present existing protector to adopt set up separately D modular converter signal is carried out analog-to-digital conversion, the signal after the conversion is delivered to process chip again and handled, and is so relatively poor in fact the time, can not meet the demands.
The utility model content
The purpose of the utility model is the general protector that provides a kind of real-time good.
For achieving the above object, the utility model provides a kind of general protector, comprising:
Simulated measurement input circuit is used to receive sample rate current signal, leak resistance signal and the sampled voltage signal of simulation, and it is amplified the back export;
Logical action switching value input circuit is used to receive the logical action signal of the numeral of parallel input, and with its serial output;
Be built-in with first single-chip microcomputer of analog to digital converter; Be used for the said sample rate current signal that will receive, said leak resistance signal and said sampled voltage signal and carry out analog-to-digital conversion; Judge that according to digitized sample rate current signal, leak resistance signal, sampled voltage signal and said logical action signal are corresponding the rear end power consumption equipment is just not in proper working order; If operation irregularity; Then the corresponding logical action of output controls signal to the relay output circuit, exports result to second singlechip simultaneously;
The relay output circuit is used to receive the said logical action control signal that said first single-chip microcomputer is exported, and the corresponding relay of control produces corresponding logical action in view of the above;
Parameter is provided with the switching value input circuit, is used for input parameter switching value is set;
Second singlechip is used to receive the parameter that said parameter is provided with the input of switching value input circuit switching value is set, and the parameter of The whole control system is provided with, and receives the result of said first single-chip microcomputer output simultaneously and send it to display screen to show in real time.
The general protector of the utility model; Said first single-chip microcomputer comprises that model is the single-chip microcomputer of C8051F410; Said second singlechip comprises that model is single-chip microcomputer and the peripheral circuit thereof of STC90C58, and the 23rd pin of said first single-chip microcomputer links to each other with the 15th pin with the 12nd pin of said second singlechip with the 24th pin is corresponding respectively.
The general protector of the utility model, said simulated measurement input circuit comprise several sample rate current signal input circuit, several leak resistance signal input circuit, amplifying circuit and at least one road sampled voltage signal input circuit, wherein,
The said sample rate current signal input circuit in every road comprises first resistance, second resistance, the 3rd resistance, the 4th resistance, first electric capacity and first voltage-stabiliser tube; One end of first resistance links to each other with an end of second resistance as the input of the sample rate current signal of simulation; The other end of first resistance links to each other with an end of the 3rd resistance, an end of the 4th resistance and an end of first electric capacity respectively; The output of the other end of the 4th resistance and first voltage-stabiliser tube is as the output of the sample rate current signal of simulation, and the equal ground connection of input of the other end of the other end of the other end of second resistance, the 3rd resistance, first electric capacity and first voltage-stabiliser tube;
The said leak resistance signal input circuit in every road comprises the 5th resistance, the 6th resistance, the 7th resistance, first diode, second diode and second voltage-stabiliser tube; One end of the 5th resistance links to each other with an end of the 6th resistance as the input of the leak resistance signal of simulation; The other end of the 6th resistance links to each other with the input of second diode and an end of the 7th resistance respectively; The output of second diode links to each other with the output of first diode; The other end of the 7th resistance links to each other with the output of second voltage-stabiliser tube as the output of the leak resistance signal of simulation, the equal ground connection of input of the input of the other end of the 5th resistance, first diode and second voltage-stabiliser tube;
Amplifying circuit is that the operational amplifier of LM224 constitutes by several models; The correspondence of input in the same way of said operational amplifier links to each other with the output of said several sample rate current signal input circuit and said several leak resistance signal input circuit; It is, corresponding continuous after the reverse input end of said operational amplifier links to each other with its output with the signal input part of said first single-chip microcomputer as the output of amplifying circuit.
The general protector of the utility model; Said logical action switching value input circuit comprises that several first optical coupling isolation circuit and two models are to go here and there out shift register incorporating into of 74LS166; The output of said first optical coupling isolation circuit in every road goes here and there out with said incorporating into that the parallel input of shift register is corresponding to link to each other; One of them is incorporated into and goes here and there out the output of shift register and incorporate into another and go here and there out the 1st pin of shift register and link to each other, this another incorporate into and go here and there out the output of shift register as the serial output terminal of said logical action switching value input circuit.
The general protector of the utility model; Said relay output circuit comprises that the model that links to each other successively is the SI PO shift register of 74LS164, the d type flip flop relay circuit identical with the several structure that model is SN74HC574; Every road relay circuit comprises second optical coupling isolation circuit, transistor switching circuit and the output relay that links to each other successively; The 1st pin of said SI PO shift register links to each other with the 26th pin of said first single-chip microcomputer with the 2nd pin, and the 8th pin of said SI PO shift register links to each other with the 25th pin of said first single-chip microcomputer.
The general protector of the utility model, said parameter are provided with the switching value input circuit and comprise several the 3rd optical coupling isolation circuit, and the correspondence of said the 3rd optical coupling isolation circuit in every road links to each other with the signal input part of said second singlechip.
The general protector of the utility model also comprises the communication interface that links to each other with said second singlechip, and said communication interface comprises several the 4th optical coupling isolation circuit and MAX485 chip and peripheral circuit thereof.
The general protector of the utility model also comprises with foregoing circuit being arranged at the power circuit on the same circuit board.
The processor of the general protector of the utility model is the bi-processor architecture that is made up of first single-chip microcomputer and second singlechip; The input and output of data are handled then and are combined to accomplish by first single-chip microcomputer and second singlechip; And the analog-to-digital conversion of analog quantity input is directly by accomplishing in the first single-chip microcomputer sheet that is built-in with analog to digital converter; Therefore, the processing capability in real time of general protector is improved.
Description of drawings
Fig. 1 is the circuit block diagram of the general protector of the utility model;
Fig. 2 is the second singlechip circuit theory diagrams partly of the general protector of the utility model;
Fig. 3 is the circuit theory diagrams of first single chip part of the general protector of the utility model;
Fig. 4 is the display interface device circuit theory diagrams partly of the general protector of the utility model;
Fig. 5 is the communication interface circuit theory diagrams partly of the general protector of the utility model;
Fig. 6 is the circuit theory diagrams of relay output circuit part of the general protector of the utility model;
Fig. 7 is the simulated measurement input circuit circuit theory diagrams partly of the general protector of the utility model;
Fig. 8 is the circuit theory diagrams of logical action switching value input circuit part of the general protector of the utility model;
Fig. 9 is provided with the circuit theory diagrams of switching value input circuit part for the parameter of the general protector of the utility model;
Figure 10 is the circuit theory diagrams of power unit of the general protector of the utility model.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing the utility model:
With reference to shown in Figure 1, the general protector of present embodiment mainly comprises simulated measurement input circuit, is used to receive sample rate current signal, leak resistance signal and the sampled voltage signal of simulation, and it is amplified back output; Logical action switching value input circuit is used to receive the logical action signal of the numeral of parallel input, and with its serial output; Be built-in with first single-chip microcomputer of analog to digital converter; Be used for the sample rate current signal that receives, leak resistance signal and sampled voltage signal are carried out analog-to-digital conversion; Judge that according to digitized sample rate current signal, leak resistance signal, sampled voltage signal and logical action signal are corresponding the rear end power consumption equipment is just not in proper working order; If operation irregularity, then the corresponding logical action of output controls signal to the relay output circuit, exports result to second singlechip simultaneously; The relay output circuit; Be used to receive the logical action control signal of first single-chip microcomputer output; And the corresponding relay of control produces corresponding logical action in view of the above, thereby realizes that faults such as the short circuit, overload of loss of phase, overvoltage to all kinds of power consumption equipments, under-voltage, earth leakage search/lockout realize defencive function; Parameter is provided with the switching value input circuit, is used for input parameter switching value is set; Second singlechip is used to receive the parameter that parameter is provided with the input of switching value input circuit switching value is set, and the parameter of The whole control system is provided with, and receives the result of first single-chip microcomputer output simultaneously and send it to display screen to show in real time; Communication interface is used to realize the communication between general protector and the host computer, thereby realizes remote measurement, remote signalling (such as the long-range on off state of checking), remote regulating, remote control; And be arranged on the same circuit board with foregoing circuit and be used to the power circuit (not drawing among the figure) of these circuit supplies.
With reference to figure 2 and shown in Figure 4; First single-chip microcomputer is that model is the single-chip microcomputer of C8051F410; Second singlechip is that model is single-chip microcomputer and the peripheral circuit thereof of STC90C58, and the 23rd pin of first single-chip microcomputer links to each other with the 15th pin with the 12nd pin of second singlechip with the 24th pin is corresponding respectively.
In conjunction with Fig. 3 and shown in Figure 2, display screen is that model is the LCDs of OCMJ4X8C.
In conjunction with Fig. 5 and shown in Figure 2, also comprise the communication interface that links to each other with second singlechip, communication interface comprises several the 4th optical coupling isolation circuit and MAX485 chip and peripheral circuit thereof.
In conjunction with Fig. 6 and shown in Figure 4; The relay output circuit comprises that the model that links to each other successively is the SI PO shift register of 74LS164, the d type flip flop relay circuit identical with the several structure that model is SN74HC574; Every road relay circuit comprises second optical coupling isolation circuit, transistor switching circuit and the output relay that links to each other successively; The 1st pin of SI PO shift register links to each other with the 26th pin of first single-chip microcomputer with the 2nd pin, and the 8th pin of SI PO shift register links to each other with the 25th pin of first single-chip microcomputer.
In conjunction with Fig. 7 and shown in Figure 4; Simulated measurement input circuit comprises 6 road sample rate current signal input circuits, 2 tunnel leak resistance signal input circuits, amplifying circuit and 1 road sampled voltage signal input circuit (not drawing among the figure); Wherein, Every road sample rate current signal input circuit comprises first resistance (for example R48), second resistance (for example R30), the 3rd resistance (for example R49), the 4th resistance (for example R20), first electric capacity (for example C4) and first voltage-stabiliser tube (for example Z4); One end of first resistance links to each other with an end of second resistance as the input of the sample rate current signal of simulation; The other end of first resistance links to each other with an end of the 3rd resistance, an end of the 4th resistance and an end of first electric capacity respectively; The output of the other end of the 4th resistance and first voltage-stabiliser tube is as the output of the sample rate current signal of simulation, and the equal ground connection of input of the other end of the other end of the other end of second resistance, the 3rd resistance, first electric capacity and first voltage-stabiliser tube.
Every road leak resistance signal input circuit comprises the 5th resistance (for example R35), the 6th resistance (for example R3), the 7th resistance (for example R36), first diode (for example Z7), second diode (for example Z8) and second voltage-stabiliser tube (for example Z5); One end of the 5th resistance links to each other with an end of the 6th resistance as the input of the leak resistance signal of simulation; The other end of the 6th resistance links to each other with the input of second diode and an end of the 7th resistance respectively; The output of second diode links to each other with the output of first diode; The other end of the 7th resistance links to each other with the output of second voltage-stabiliser tube as the output of the leak resistance signal of simulation, the equal ground connection of input of the input of the other end of the 5th resistance, first diode and second voltage-stabiliser tube.
Amplifying circuit is made up of the operational amplifier that is LM224 as if 12 models; Wherein the correspondence of input in the same way of 9 operational amplifiers links to each other with the output of sample rate current signal input circuit with several leak resistance signal input circuit; The reverse input end of operational amplifier links to each other the back as the output of amplifying circuit with its output; With corresponding the linking to each other of signal input part of first single-chip microcomputer, and other 3 operational amplifiers are subsequent use as expansion.
In conjunction with Fig. 8 and shown in Figure 4; Logical action switching value input circuit comprises that 13 tunnel first optical coupling isolation circuits and two models are to go here and there out shift register incorporating into of 74LS166; The output of every road first optical coupling isolation circuit goes here and there out that the parallel input of shift register is corresponding to link to each other with incorporating into; One of them is incorporated into and goes here and there out the output of shift register and incorporate into another and go here and there out the 1st pin of shift register and link to each other, this another incorporate into and go here and there out the output of shift register as the serial output terminal of logical action switching value input circuit.
In conjunction with Fig. 9 and shown in Figure 2, parameter is provided with the switching value input circuit and comprises 5 tunnel the 3rd optical coupling isolation circuits, and the correspondence of every road the 3rd optical coupling isolation circuit links to each other with the signal input part of second singlechip.
In conjunction with shown in Figure 10,5V power supply, 12V stabilized voltage power supply and 24V stabilized voltage power supply that it is the Switching Power Supply that constitutes of the power module of MYD03-12S05 that power circuit includes model, be made up of for the DY05S05S-1W power module model.For anti-interference; The Switching Power Supply of existing protector is general to belong to circuit boards with other circuit such as relay output circuit; Be its Switching Power Supply be located at other circuit place circuit boards such as relay output circuit outside circuit board on, will increase the volume of protector like this.And other circuit boards that coexist such as the Switching Power Supply of the general protector of present embodiment and relay output circuit; Thereby reduced the volume of protector; Also made an appointment with cost; But because many places are provided with optical coupling isolation circuit on the circuit, the Switching Power Supply of general protector can't cause interference to other circuit of the circuit board that coexists.
Above embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that the common engineers and technicians in this area make the technical scheme of the utility model all should fall in the protection range that claims of the utility model confirm.
Claims (8)
1. a general protector is characterized in that, comprising:
Simulated measurement input circuit is used to receive sample rate current signal, leak resistance signal and the sampled voltage signal of simulation, and it is amplified the back export;
Logical action switching value input circuit is used to receive the logical action signal of the numeral of parallel input, and with its serial output;
Be built-in with first single-chip microcomputer of analog to digital converter; Be used for the said sample rate current signal that will receive, said leak resistance signal and said sampled voltage signal and carry out analog-to-digital conversion; Judge that according to digitized sample rate current signal, leak resistance signal, sampled voltage signal and said logical action signal are corresponding the rear end power consumption equipment is just not in proper working order; If operation irregularity; Then the corresponding logical action of output controls signal to the relay output circuit, exports result to second singlechip simultaneously;
The relay output circuit is used to receive the said logical action control signal that said first single-chip microcomputer is exported, and the corresponding relay of control produces corresponding logical action in view of the above;
Parameter is provided with the switching value input circuit, is used for input parameter switching value is set;
Second singlechip is used to receive the parameter that said parameter is provided with the input of switching value input circuit switching value is set, and the parameter of The whole control system is provided with, and receives the result of said first single-chip microcomputer output simultaneously and send it to display screen to show in real time.
2. general protector according to claim 1; It is characterized in that; Said first single-chip microcomputer comprises that model is the single-chip microcomputer of C8051F410; Said second singlechip comprises that model is single-chip microcomputer and the peripheral circuit thereof of STC90C58, and the 23rd pin of said first single-chip microcomputer links to each other with the 15th pin with the 12nd pin of said second singlechip with the 24th pin is corresponding respectively.
3. general protector according to claim 2; It is characterized in that; Said simulated measurement input circuit comprises several sample rate current signal input circuit, several leak resistance signal input circuit, amplifying circuit and at least one road sampled voltage signal input circuit, wherein
The said sample rate current signal input circuit in every road comprises first resistance, second resistance, the 3rd resistance, the 4th resistance, first electric capacity and first voltage-stabiliser tube; One end of first resistance links to each other with an end of second resistance as the input of the sample rate current signal of simulation; The other end of first resistance links to each other with an end of the 3rd resistance, an end of the 4th resistance and an end of first electric capacity respectively; The output of the other end of the 4th resistance and first voltage-stabiliser tube is as the output of the sample rate current signal of simulation, and the equal ground connection of input of the other end of the other end of the other end of second resistance, the 3rd resistance, first electric capacity and first voltage-stabiliser tube;
The said leak resistance signal input circuit in every road comprises the 5th resistance, the 6th resistance, the 7th resistance, first diode, second diode and second voltage-stabiliser tube; One end of the 5th resistance links to each other with an end of the 6th resistance as the input of the leak resistance signal of simulation; The other end of the 6th resistance links to each other with the input of second diode and an end of the 7th resistance respectively; The output of second diode links to each other with the output of first diode; The other end of the 7th resistance links to each other with the output of second voltage-stabiliser tube as the output of the leak resistance signal of simulation, the equal ground connection of input of the input of the other end of the 5th resistance, first diode and second voltage-stabiliser tube;
Amplifying circuit is that the operational amplifier of LM224 constitutes by several models; The correspondence of input in the same way of said operational amplifier links to each other with the output of said several sample rate current signal input circuit and said several leak resistance signal input circuit; It is, corresponding continuous after the reverse input end of said operational amplifier links to each other with its output with the signal input part of said first single-chip microcomputer as the output of amplifying circuit.
4. general protector according to claim 3; It is characterized in that; Said logical action switching value input circuit comprises that several first optical coupling isolation circuit and two models are to go here and there out shift register incorporating into of 74LS166; The output of said first optical coupling isolation circuit in every road goes here and there out with said incorporating into that the parallel input of shift register is corresponding to link to each other; One of them is incorporated into and goes here and there out the output of shift register and incorporate into another and go here and there out the 1st pin of shift register and link to each other, this another incorporate into and go here and there out the output of shift register as the serial output terminal of said logical action switching value input circuit.
5. general protector according to claim 4; It is characterized in that; Said relay output circuit comprises that the model that links to each other successively is the SI PO shift register of 74LS164, the d type flip flop relay circuit identical with the several structure that model is SN74HC574; Every road relay circuit comprises second optical coupling isolation circuit, transistor switching circuit and the output relay that links to each other successively; The 1st pin of said SI PO shift register links to each other with the 26th pin of said first single-chip microcomputer with the 2nd pin, and the 8th pin of said SI PO shift register links to each other with the 25th pin of said first single-chip microcomputer.
6. general protector according to claim 5; It is characterized in that; Said parameter is provided with the switching value input circuit and comprises several the 3rd optical coupling isolation circuit, and the correspondence of said the 3rd optical coupling isolation circuit in every road links to each other with the signal input part of said second singlechip.
7. general protector according to claim 6 is characterized in that, also comprises the communication interface that links to each other with said second singlechip, and said communication interface comprises several the 4th optical coupling isolation circuit and MAX485 chip and peripheral circuit thereof.
8. general protector according to claim 7 is characterized in that, also comprises with foregoing circuit being arranged at the power circuit on the same circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204391913U CN202353178U (en) | 2011-11-08 | 2011-11-08 | Universal protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204391913U CN202353178U (en) | 2011-11-08 | 2011-11-08 | Universal protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202353178U true CN202353178U (en) | 2012-07-25 |
Family
ID=46542143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204391913U Withdrawn - After Issue CN202353178U (en) | 2011-11-08 | 2011-11-08 | Universal protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202353178U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412552A (en) * | 2011-11-08 | 2012-04-11 | 淮南万泰电子股份有限公司 | Universal protector |
| CN109888759A (en) * | 2019-02-28 | 2019-06-14 | 哈工大机器人（合肥）国际创新研究院 | A kind of robot braking protection circuit |
-
2011
- 2011-11-08 CN CN2011204391913U patent/CN202353178U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412552A (en) * | 2011-11-08 | 2012-04-11 | 淮南万泰电子股份有限公司 | Universal protector |
| CN102412552B (en) * | 2011-11-08 | 2014-10-22 | 淮南万泰电子股份有限公司 | universal protector |
| CN109888759A (en) * | 2019-02-28 | 2019-06-14 | 哈工大机器人（合肥）国际创新研究院 | A kind of robot braking protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120725 Effective date of abandoning: 20141022 |
|
| RGAV | Abandon patent right to avoid regrant |