CN112526903A - Electronic jump cap switching circuit and server system - Google Patents
Electronic jump cap switching circuit and server system Download PDFInfo
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- CN112526903A CN112526903A CN202011337700.1A CN202011337700A CN112526903A CN 112526903 A CN112526903 A CN 112526903A CN 202011337700 A CN202011337700 A CN 202011337700A CN 112526903 A CN112526903 A CN 112526903A
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention discloses an electronic cap-skipping switching circuit and a server system. And the control circuit is used for determining a target control function corresponding to the target control value according to the preset control value function corresponding relation when the target control value is written into the function register, and controlling the conduction of a controllable switch between two pin feet of the combined pin corresponding to the target control function so as to enable the system to be switched to operate under the target control function. Therefore, the connection switching of the pin of the electronic jump cap can be automatically realized by writing different control values into the function register, the problem of immobilization of the physical jump cap after the research and development stage is finished is solved, and a plurality of control functions reserved in the system during development can be activated for use; moreover, the manual error operation of the physical jump cap in use and production assembly is avoided, and the research and development risk and the production risk are reduced.
Description
Technical Field
The invention relates to the field of servers, in particular to an electronic jump cap switching circuit and a server system.
Background
In the process of research and development of a server system, a physical jump cap is usually used to implement switching of multiple control functions, for example, the physical jump cap includes three pins, which are respectively pinA, pinB and pinC, and when the pinA and the pinB are connected, a control function 1 is implemented, and when the pinB and the pinC are connected, a control function 2 is implemented. However, the physical jump cap needs manual adjustment, and is easy to cause research and development errors due to human errors; moreover, based on the basic characteristics of reliability and stability of the server system, after the development process of the server system is finished, the physical jump cap is usually fixed, that is, the user is limited to use only a certain control function, so that the user experience is poor.
Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide an electronic jump cap switching circuit and a server system, which can automatically realize the connection switching of pin pins of the electronic jump cap by writing different control values into a function register, solve the problem of immobilization of a physical jump cap after the research and development stage is finished, and activate and use a plurality of control functions reserved during the development of the system; moreover, the manual error operation of the physical jump cap in use and production assembly is avoided, and the research and development risk and the production risk are reduced.
In order to solve the above technical problem, the present invention provides an electronic jump cap switching circuit, including:
n combined pins which correspond to N control functions of the system one by one; wherein N is a positive integer, and each combined pin comprises two pin feet;
the controllable switch is arranged between the two pin pins of each combined pin;
and the control circuit is connected with the N controllable switches and comprises a function register and is used for determining a target control function corresponding to the target control value according to a preset control value function corresponding relation when a target control value is written into the function register and controlling the conduction of the controllable switches between the two pin pins of the combined pin corresponding to the target control function so as to enable the system to be switched to operate under the target control function.
Preferably, the control circuit includes:
the microcontroller comprises a functional register and is used for outputting a target control value when the target control value is written into the functional register;
and the comparison circuit is respectively connected with the microcontroller and the N controllable switches and is used for comparing the target control value with the control values corresponding to the control functions of the system, taking the control function as the target control function when the target control value is equal to the control value corresponding to one control function of the system, and controlling the controllable switches between the two pin pins of the combined pin corresponding to the target control function to be conducted so as to enable the system to be switched to operate under the target control function.
Preferably, the controllable switch is a micro-relay;
the comparison circuit comprises N groups of sub comparison circuits, and each group of sub comparison circuits comprises a digital comparator, a switching tube and a pull-up resistor; wherein:
the input end of the digital comparator is connected with the microcontroller, the output end of the digital comparator is respectively connected with the control end of the switch tube and the first end of the pull-up resistor, the second end of the pull-up resistor is connected with a direct current power supply, the first end of the switch tube is connected with the direct current power supply, and the second ends of the switch tube are correspondingly connected with the micro relays one by one;
the digital comparator is used for comparing the target control value with a self reference value, and when the target control value is equal to the self reference value, a high-level signal is output to control the switch tube to be conducted so that the connected micro-relay is electrified and connected with two pin pins of the corresponding combined pin; and the reference value of the digital comparator is a control value under the control function corresponding to the micro relay connected with the sub-comparison circuit.
Preferably, the switching tube is a MOS switching tube.
Preferably, the control circuit is further configured to:
and before the controllable switch between the two pin pins of the combined pin corresponding to the target control function is controlled to be switched on, backing up the running data of the system under the last control function.
Preferably, the control circuit is further configured to:
after a controllable switch between two pin pins of a combined pin corresponding to the target control function is controlled to be switched on, judging whether the running data value of the system is lost due to the change of pin connection according to the running data of the system under the last control function;
and if so, recovering the lost operation data value according to the backup operation data of the system under the last control function.
In order to solve the technical problem, the invention also provides a server system which comprises any one of the electronic jump cap switching circuits.
The invention provides an electronic jump cap switching circuit which comprises N combined pins, a controllable switch and a control circuit. And the control circuit is used for determining a target control function corresponding to the target control value according to the preset control value function corresponding relation when the target control value is written into the function register, and controlling the conduction of a controllable switch between two pin feet of the combined pin corresponding to the target control function so as to enable the system to be switched to operate under the target control function. Therefore, the connection switching of the pin of the electronic jump cap can be automatically realized by writing different control values into the function register, the problem of immobilization of the physical jump cap after the research and development stage is finished is solved, and a plurality of control functions reserved in the system during development can be activated for use; moreover, the manual error operation of the physical jump cap in use and production assembly is avoided, and the research and development risk and the production risk are reduced.
The invention also provides a server system which has the same beneficial effect as the electronic jump cap switching circuit.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electronic trip-cap switching circuit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of 4 combination pins according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic trip-cap switching circuit according to an embodiment of the present invention.
Detailed Description
The core of the invention is to provide an electronic jump cap switching circuit and a server system, which automatically realize the connection switching of pin pins of the electronic jump cap by writing different control values into a function register, solve the problem of immobilization of a physical jump cap after the research and development stage is finished, and activate and use a plurality of control functions reserved during the development of the system; moreover, the manual error operation of the physical jump cap in use and production assembly is avoided, and the research and development risk and the production risk are reduced.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic jump cap switching circuit according to an embodiment of the present invention.
This electron jumps cap switching circuit includes:
n combined pins 1 corresponding to N control functions of the system one by one; wherein N is a positive integer, and each combined pin 1 comprises two pin feet;
the controllable switch 2 is arranged between the two pin pins of each combined pin 1;
and the control circuit 3 is connected with the N controllable switches 2 and comprises a function register and is used for determining a target control function corresponding to the target control value according to the preset control value function corresponding relation when the target control value is written into the function register and controlling the controllable switch 2 between the two pin pins of the combined pin 1 corresponding to the target control function to be conducted so as to enable the system to be switched to operate under the target control function.
Specifically, the electronic jump cap switching circuit of this application includes a plurality of combination pin 1 of N, controllable switch 2 and control circuit 3, and its theory of operation is:
n control functions of the system correspond to N combined pins 1 one by one, each combined pin 1 comprises two pins, and if the system is required to be switched to a target control function to operate, the two pins included in the combined pin 1 corresponding to the target control function need to be connected with each other. It should be noted that only two pins included in one combination pin can be connected to N combination pins 1 at a time, so as to avoid conflict between system control function selections.
For example, as shown in fig. 2, there are four pins, and pin 1 and pin 2 form a combined pin corresponding to control function a; the pin 2 and the pin 3 form a combined pin corresponding to the control function B; the pin 3 and the pin 4 form a combined pin corresponding to the control function C; pin 1 and pin 4 form a combined pin corresponding to control function D. If the system is switched to operate under the control function A, the pin 1 and the pin 2 need to be connected with each other; if the system is switched to operate under the control function B, the pin 2 and the pin 3 need to be connected with each other; if the system is switched to operate under the control function C, the pin 3 and the pin 4 need to be connected with each other; if the system is switched to operate under the control function D, the pin 1 and the pin 4 need to be connected with each other.
The controllable switch 2 is arranged between the two pins of each combined pin 1, and when the controllable switch 2 is switched on, the two pins of the corresponding combined pins 1 are connected with each other; when the controllable switch 2 is switched off, the two pin legs of the corresponding combination pin 1 are not connected.
This application still sets up the control circuit 3 that is used for controlling the on-state of N controllable switch 2, and its theory of operation is: the N control functions of the system correspond to the N control values one by one, when the control circuit 3 writes a target control value into a function register of the control circuit, firstly, the target control function corresponding to the target control value is determined according to the function corresponding relation of the preset control value, and then, the controllable switch 2 between the two pin pins of the combined pin 1 corresponding to the target control function is controlled to be switched on, so that the system is switched to operate under the target control function.
For example, control function a corresponds to a control value 00, control function B corresponds to a control value 01, control function C corresponds to a control value 10, and control function D corresponds to a control value 11, so that when the control circuit writes 00 in its own function register, it determines that the target control function is control function a, and then controls the conduction of the controllable switch between pin 1 and pin 2, so that the system is switched to operate under control function a (the same applies to writing other control values in the function register, which is not described herein again).
The invention provides an electronic jump cap switching circuit which comprises N combined pins, a controllable switch and a control circuit. And the control circuit is used for determining a target control function corresponding to the target control value according to the preset control value function corresponding relation when the target control value is written into the function register, and controlling the conduction of a controllable switch between two pin feet of the combined pin corresponding to the target control function so as to enable the system to be switched to operate under the target control function. Therefore, the connection switching of the pin of the electronic jump cap can be automatically realized by writing different control values into the function register, the problem of immobilization of the physical jump cap after the research and development stage is finished is solved, and a plurality of control functions reserved in the system during development can be activated for use; moreover, the manual error operation of the physical jump cap in use and production assembly is avoided, and the research and development risk and the production risk are reduced.
On the basis of the above-described embodiment:
referring to fig. 3, fig. 3 is a schematic structural diagram of an electronic jump cap switching circuit according to an embodiment of the present invention.
As an alternative embodiment, the control circuit 3 comprises:
a microcontroller 31 including a function register for outputting a target control value when the target control value is written in the function register;
and the comparison circuit is respectively connected with the microcontroller 31 and the N controllable switches 2 and is used for comparing a target control value with control values corresponding to a plurality of control functions of the system, taking the control function as the target control function when the target control value is equal to the control value corresponding to one control function of the system, and controlling the controllable switch 2 between two pin pins of the combined pin 1 corresponding to the target control function to be switched on so as to enable the system to operate under the target control function.
Specifically, the control circuit 3 of the present application includes a microcontroller 31 and a comparison circuit, and its operating principle is:
when the microcontroller 31 writes the target control value in its own function register, it outputs the target control value to the comparison circuit. The comparison circuit compares the target control value output by the microcontroller 31 with the control values corresponding to the respective control functions of the system, and when the target control value is equal to the control value corresponding to one of the control functions (i.e., the target control function) of the system, controls the conduction of the controllable switch 2 between the two pin pins of the combined pin 1 corresponding to the control function, so that the system is switched to the target control function to operate.
As an alternative embodiment, the controllable switch 2 is a micro-relay;
the comparison circuit comprises N groups of sub-comparison circuits, and each group of sub-comparison circuits comprises a digital comparator C, a switching tube Q and a pull-up resistor R; wherein:
the input end of the digital comparator C is connected with the microcontroller 31, the output end of the digital comparator C is respectively connected with the control end of the switch tube Q and the first end of the pull-up resistor R, the second end of the pull-up resistor R is connected with the direct-current power supply, the first end of the switch tube Q is connected with the direct-current power supply, and the second end of the switch tube Q is correspondingly connected with the micro-relays one by one;
the digital comparator C is used for comparing the target control value with the self reference value, and outputting a high-level signal to control the switch tube Q to be switched on when the target control value is equal to the self reference value, so that the connected micro-relay is electrified and connected with two pin pins of the corresponding combination pin 1; the reference value of the digital comparator C is a control value under the control function corresponding to the micro relay connected with the sub-comparison circuit.
Specifically, the micro-relay (micro-current relay) can be selected for use by the controllable switch 2 of this application, and when the micro-relay switched on current, the micro-relay can couple together two pin feet of the combination pin 1 that self corresponds, forms the current loop.
And the comparison circuit of this application includes N group's sub-comparison circuit, and every group's sub-comparison circuit all includes digital comparator C, switch tube Q and pull-up resistance R, and its theory of operation is:
when the microcontroller 31 writes the target control value in its own functional register, it outputs the target control value to the N groups of sub-comparison circuits. N group sub-comparison circuit and N micro-relay one-to-one are equivalent to: the N groups of sub-comparison circuits correspond to the N groups of combination pins 1 one by one, the N groups of sub-comparison circuits correspond to the N control functions one by one, and the N groups of sub-comparison circuits correspond to the N control values one by one.
Each group of sub-comparison circuits carries out the following steps: the reference value of the digital comparator C is a control value under the control function corresponding to the micro-relay connected with the sub-comparison circuit. The digital comparator C compares the target control value output by the microcontroller 31 with the self reference value, and outputs a high level signal to control the switching tube Q to be turned on when the target control value is equal to the self reference value, so that the connected micro-relay is electrified and connected with the two pin pins of the corresponding combination pin 1.
For example, the control function a corresponds to a control value 00, the control function B corresponds to a control value 01, the control function C corresponds to a control value 10, and the control function D corresponds to a control value 11, wherein one group of sub-comparison circuits is connected to the micro-relay between the pin 1 and the pin 2, then the reference value of the digital comparator in the group of sub-comparison circuits is 00, if the microcontroller writes 00 in its own functional register, 00 is output to the N groups of sub-comparison circuits, and the digital comparator with the reference value of 00 can output a high-level signal to control the switching tube to be turned on, so that the micro-relay is powered on to connect the pin 1 and the pin 2 (the rest of sub-comparison circuits are the same, and the description is omitted here).
As an alternative embodiment, the switching tube Q is a MOS switching tube.
Specifically, the switch tube Q of this application is the MOS switch tube, and the drain electrode of the MOS switch tube is as the first end of switch tube Q, and the source electrode of the MOS switch tube is as the second end of switch tube Q, and the grid of the MOS switch tube is as the control end of switch tube Q.
As an alternative embodiment, the control circuit 3 is further configured to:
before the controllable switch 2 between the two pin pins of the combined pin 1 corresponding to the control target control function is switched on, the operation data of the system under the last control function is backed up.
Further, the control circuit 3 of the present application may also back up the operation data of the system under the previous control function before the pin connection of the electronic jump cap is changed, that is, before the control function of the system is switched, so as to be referred by the user.
As an alternative embodiment, the control circuit 3 is further configured to:
after a controllable switch 2 between two pin pins of a combined pin 1 corresponding to a control target control function is switched on, judging whether the operation data value of the system is lost due to the change of pin connection according to the operation data of the backup system under the last control function;
if so, recovering the lost operation data value according to the operation data of the backup system under the last control function.
Furthermore, considering that the change of the pin connection of the electronic jump cap may cause the loss of the operation data value of the system, the control circuit 3 of the present application may further determine whether the operation data value of the system is lost due to the change of the pin connection according to the operation data of the backup system under the previous control function after the change of the pin connection of the electronic jump cap, and if the operation data value of the system is lost due to the change of the pin connection, restore the lost operation data value according to the operation data of the backup system under the previous control function, thereby ensuring the smooth operation of the system.
The application also provides a server system comprising any one of the electronic jump cap switching circuits.
For the introduction of the server system provided in the present application, please refer to the above-mentioned embodiment of the electronic jump cap switching circuit, which is not described herein again.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An electronic trip-cap switching circuit, comprising:
n combined pins which correspond to N control functions of the system one by one; wherein N is a positive integer, and each combined pin comprises two pin feet;
the controllable switch is arranged between the two pin pins of each combined pin;
and the control circuit is connected with the N controllable switches and comprises a function register and is used for determining a target control function corresponding to the target control value according to a preset control value function corresponding relation when a target control value is written into the function register and controlling the conduction of the controllable switches between the two pin pins of the combined pin corresponding to the target control function so as to enable the system to be switched to operate under the target control function.
2. The electronic trip-cap switching circuit of claim 1, wherein the control circuit comprises:
the microcontroller comprises a functional register and is used for outputting a target control value when the target control value is written into the functional register;
and the comparison circuit is respectively connected with the microcontroller and the N controllable switches and is used for comparing the target control value with the control values corresponding to the control functions of the system, taking the control function as the target control function when the target control value is equal to the control value corresponding to one control function of the system, and controlling the controllable switches between the two pin pins of the combined pin corresponding to the target control function to be conducted so as to enable the system to be switched to operate under the target control function.
3. The electronic trip-cap switching circuit of claim 2, wherein said controllable switch is a micro-relay;
the comparison circuit comprises N groups of sub comparison circuits, and each group of sub comparison circuits comprises a digital comparator, a switching tube and a pull-up resistor; wherein:
the input end of the digital comparator is connected with the microcontroller, the output end of the digital comparator is respectively connected with the control end of the switch tube and the first end of the pull-up resistor, the second end of the pull-up resistor is connected with a direct current power supply, the first end of the switch tube is connected with the direct current power supply, and the second ends of the switch tube are correspondingly connected with the micro relays one by one;
the digital comparator is used for comparing the target control value with a self reference value, and when the target control value is equal to the self reference value, a high-level signal is output to control the switch tube to be conducted so that the connected micro-relay is electrified and connected with two pin pins of the corresponding combined pin; and the reference value of the digital comparator is a control value under the control function corresponding to the micro relay connected with the sub-comparison circuit.
4. The electronic trip-cap switching circuit of claim 3, wherein said switching transistor is a MOS switching transistor.
5. The electronic trip-cap switching circuit of claim 1, wherein the control circuit is further configured to:
and before the controllable switch between the two pin pins of the combined pin corresponding to the target control function is controlled to be switched on, backing up the running data of the system under the last control function.
6. The electronic trip-cap switching circuit of claim 5, wherein the control circuit is further configured to:
after a controllable switch between two pin pins of a combined pin corresponding to the target control function is controlled to be switched on, judging whether the running data value of the system is lost due to the change of pin connection according to the running data of the system under the last control function;
and if so, recovering the lost operation data value according to the backup operation data of the system under the last control function.
7. A server system comprising the electronic jump cap switching circuit of any of claims 1-6.
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| CN202011337700.1A CN112526903B (en) | 2020-11-25 | 2020-11-25 | Electronic jump cap switching circuit and server system |
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| CN111431634A (en) * | 2020-03-26 | 2020-07-17 | 捷开通讯(深圳)有限公司 | Radio frequency power control circuit |
| CN111641254A (en) * | 2020-07-27 | 2020-09-08 | 桂林海威科技股份有限公司 | Hot redundancy changes cold redundancy stand-by power supply automatic switch-over circuit |
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