CN202405862U - Automatic power transfer switch controller - Google Patents
Automatic power transfer switch controller Download PDFInfo
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- CN202405862U CN202405862U CN2011205655872U CN201120565587U CN202405862U CN 202405862 U CN202405862 U CN 202405862U CN 2011205655872 U CN2011205655872 U CN 2011205655872U CN 201120565587 U CN201120565587 U CN 201120565587U CN 202405862 U CN202405862 U CN 202405862U
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- transfer switch
- microprocessor
- power supply
- controller
- switching circuit
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Abstract
The utility model discloses an automatic power transfer switch controller, which comprises a microprocessor, a storage, a switching circuit, a voltage signal acquisition unit, a current signal acquisition unit, a display module and a power transfer switch unit, wherein the voltage signal acquisition unit and the current signal acquisition unit are connected with an input end of the microprocessor, an output end of the microprocessor is respectively connected with the switching circuit and the display module, the microprocessor is connected with the storage, and an output end of the switching circuit is connected with the power transfer switch unit. By the aid of the structure, the automatic power transfer switch controller has the advantages that 1, the controller is powered by a main and secondary three-phase power source, normal operation of the controller can be guaranteed with only one-phase power source normal and without extra working power sources at any time, and accordingly the controller is extremely wide in applicable occasions; and 2, the controller can automatically monitor overvoltage, undervoltage, overfrequency, underfrequency, phase loss and load overcurrent (three-step) faults.
Description
Technical field
The utility model relates to the transfer switch technical field, particularly a kind of power supply automatic transfer switch controller.
Background technology
Along with development of technology and development in recent years; A kind of novel product has appearred in the power supply switched system---automatic transfer switching electric appliance (ATSE); It is made up of 1 (or several) transfer switching equipment and other essential electrical equipment; Be used to monitor power circuit; And load circuit (breaking down) gone to the device for switching of another (subsequent use) power supply automatically from a power supply, and be the novel product that is exclusively used in power source conversion, we can say that automatic transfer switching electric appliance (ATSE) representing the direction of power supply switched system series products development.Automatic transfer switch controller is as the core component of automatic transfer switching electric appliance, and the quality of its performance will directly influence quick-action property, reliability, the fail safe of automatic transfer switching electric appliance.Conversion is in case failure will cause one of following two kinds of harm: short circuit between power supply or important load outage (even of short duration power failure), its consequence all is serious.This not only can bring economic loss (make and produce pause, finance paralysis), also possibly cause social concern (life and safety are in danger).
At present, normally used double-power supply switching device all is that designing institute proposes technical parameter according to design, is utilized electric elements such as knife switch, air switch, contactor to assemble by complete production producer.This series products ubiquity the problem of complex structure, function singleness, universal applicability difference.
The utility model content
The utility model technical problem to be solved is to the deficiency of prior art, the power supply that a kind of measuring speed is fast, precision is high, anti-electromagnetic interference capability is strong automatic transfer switch controller to be provided.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of power supply automatic transfer switch controller; Comprise microprocessor, memory, switching circuit, voltage signal acquisition unit, current signal collecting unit, display module and transfer switch unit; Described voltage signal acquisition unit, current signal collecting unit are connected with the input of microprocessor respectively; The output of described microprocessor is connected with switching circuit, display module respectively, and described microprocessor is connected with memory, and the output of described switching circuit is connected with the transfer switch unit.
Described microprocessor is used for voltage, current signal data of gathering according to voltage signal acquisition unit, current signal collecting unit, compares with set point in the memory, judges this road power supply break down time and then Switching power.
Described switching circuit adopts relay.
Described display module adopts charactron.
Described microprocessor adopts single-chip microcomputer, and its model is LPC2138.
A kind of control method of power supply automatic transfer switch controller, described method may further comprise the steps:
A) electric current, the voltage analog of voltage signal acquisition unit, the collection of current signal collecting unit; Change and collect in the microprocessor through A/D converter, microprocessor compares the setup parameter in data that collect and the memory, exceeds setting range if monitor sampled data; Judge that then this road power supply breaks down; Microprocessor sends control signal corresponding, the control switch circuit leave the relay adhesive, thereby control transfer switch unit switches to another road power supply.
The utility model adopts said structure, and have the following advantages: 1, controller is supplied power by major and minor three phase mains simultaneously.Whenever, as long as there is a phase power supply normal, can guarantee the operate as normal of controller, need not the extra work power supply, applicable situation is very extensive; 2, automatically the overvoltage of power supply, under-voltage, overfrequency, under-frequency, the phase failure and load overcurrent (syllogic) fault are monitored, and controlled by the setting value that is provided with; Has 24V fire-fighting link function (syllogic); 3, the definition of the major-minor end of double loop power supply can be by the user's request setting; 4, can realize remote measurement, remote signalling and remote control through the RS485 communication port to controller.And can realize the field programming function of control logic through the upper computer software of customization; 5, adopt voltage, current transformer to cooperate high-speed a/d measuring voltage electric current; Measuring speed is fast, precision is high, anti-electromagnetic interference capability is strong; And the software database algorithm that utility model is unique utilizes plenty hardware resources, can realize the controller field programming; Make the control logic variation, be suitable for the needs of various occasions.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation;
Fig. 1 is the logical construction block diagram of the utility model;
Fig. 2 is the circuit structure diagram of the utility model;
Fig. 3 is the software flow pattern of Timing Processing program in the utility model;
Fig. 4 is the software flow pattern of exception handles in the utility model;
In Fig. 1,1, microprocessor; 2, memory; 3, switching circuit; 4, voltage signal acquisition unit; 5, current signal collecting unit; 6, display module; 7, transfer switch unit.
Embodiment
Like Fig. 1～a kind of power supply automatic transfer switch controller shown in Figure 2; Comprise microprocessor 1, memory 2, switching circuit 3, voltage signal acquisition unit 4, current signal collecting unit 5, display module 6 and transfer switch unit 7; Voltage signal acquisition unit 4, current signal collecting unit 5 are connected with the input of microprocessor 1 respectively; The output of microprocessor 1 is connected with switching circuit 3, display module 6 respectively; Microprocessor 1 is connected with memory 2, and the output of switching circuit 3 is connected with transfer switch unit 7.
Microprocessor 1 is used for voltage, current signal data of gathering according to voltage signal acquisition unit 4, current signal collecting unit 5, compares with set point in the memory 2, judges this road power supply break down time and then Switching power.Switching circuit 3 adopts relay.Display module 6 adopts charactron.Microprocessor 1 adopts single-chip microcomputer, and its model is LPC2138.If excessive baked wheaten cake, the fire of causing of electric current.The sensor acquisition signal also is sent to microprocessor 1, microprocessor 1 control alarm equipment alarm.
A kind of control method of power supply automatic transfer switch controller, method may further comprise the steps:
A) electric current, the voltage analog of voltage signal acquisition unit, the collection of current signal collecting unit; Change and collect in the microprocessor through A/D converter, microprocessor compares the setup parameter in data that collect and the memory, exceeds setting range if monitor sampled data; Judge that then this road power supply breaks down; Microprocessor sends control signal corresponding, the control switch circuit leave the relay adhesive, thereby control transfer switch unit switches to another road power supply.
Shown in Figure 3 is the software flow pattern of Timing Processing program in the utility model;
In step 100, flow process begins, and flow process gets into step 101;
Whether in step 101, judging that CAP catches interrupts, if be judged as is, flow process gets into step 103, if be judged as not, flow process gets into step 102;
In step 102, judge whether timer 0 interrupts, if be judged as be, flow process gets into step 104, if be judged as not, flow process gets into step 105;
In step 103, the capture interrupt program, flow process gets into step 111;
In step 104, carry out timer 0 program, flow process gets into step 111;
In step 105, judge that timer 1 interrupts, if be judged as be, flow process gets into step 106, if be judged as not, flow process gets into step 107;
In step 106, carry out timer 1 program, flow process gets into step 111;
In step 107, judge whether that 12C interrupts, if be judged as be, flow process gets into step 108, if be judged as not, flow process gets into step 109;
In step 108, carry out the 12C program, flow process gets into step 111;
In step 109, judge whether that serial ports interrupts, if be judged as be, flow process gets into step 110, if be judged as not, flow process gets into step 111;
In step 110, carry out the serial ports program, flow process gets into step 111;
In step 111, EP (end of program).
Shown in Figure 4 is the software flow pattern of exception handles in the utility model;
In step 200, flow process begins, and flow process gets into step 201;
In step 201, judge whether electric current crosses the border, if be judged as be, flow process gets into step 202, if be judged as not, flow process gets into step 203;
In step 202, to carry out current protection and handle, flow process gets into step 210;
In step 203, judge whether fire alarm, if be judged as be, flow process gets into step 204, if be judged as not, flow process gets into step 205;
In step 204, to carry out the fire protection and handle, flow process gets into step 210;
In step 205, judge whether voltage crosses the border, if be judged as be, flow process gets into step 206, if be judged as not, flow process gets into step 207;
In step 206, to carry out voltage protection and handle, flow process gets into step 209;
In step 207, whether determination frequency crosses the border, if be judged as is, flow process gets into step 208, if be judged as not, flow process gets into step 209;
In step 210, system lock resets, and flow process gets into step 209;
In step 209, flow process is returned.
The utility model middle controller is supplied power by major and minor three phase mains simultaneously.Whenever, as long as there is a phase power supply normal, can guarantee the operate as normal of controller, need not the extra work power supply, applicable situation is very extensive.Automatically the overvoltage of power supply, under-voltage, overfrequency, under-frequency, the phase failure and load overcurrent (syllogic) fault are monitored, and controlled by the setting value that is provided with; Has 24V fire-fighting link function (syllogic).The major-minor end definition of double loop power supply can be by the user's request setting.Can realize remote measurement, remote signalling and remote control through the RS485 communication port to controller.And can realize the field programming function of control logic through the upper computer software of customization.Adopt voltage, current transformer to cooperate high-speed a/d measuring voltage electric current; Measuring speed is fast, precision is high, anti-electromagnetic interference capability is strong; And the software database algorithm that utility model is unique utilizes plenty hardware resources, can realize the controller field programming; Make the control logic variation, be suitable for the needs of various occasions.
Combine accompanying drawing that the utility model has been carried out exemplary description above; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as adopted method design of the utility model and the various improvement that technical scheme is carried out; Or directly apply to other occasion without improvement, all within the protection range of the utility model.
Claims (5)
1. power supply automatic transfer switch controller; It is characterized in that: comprise microprocessor (1), memory (2), switching circuit (3), voltage signal acquisition unit (4), current signal collecting unit (5), display module (6) and transfer switch unit (7); Described voltage signal acquisition unit (4), current signal collecting unit (5) are connected with the input of microprocessor (1) respectively; The output of described microprocessor (1) is connected with switching circuit (3), display module (6) respectively; Described microprocessor (1) is connected with memory (2), and the output of described switching circuit (3) is connected with transfer switch unit (7).
2. a kind of power supply automatic transfer switch controller according to claim 1; It is characterized in that: described microprocessor (1); Be used for voltage, current signal data according to voltage signal acquisition unit (4), current signal collecting unit (5) collection; Compare with the set point in the memory (2), judge this road power supply break down time and then Switching power.
3. a kind of power supply automatic transfer switch controller according to claim 1 is characterized in that: described switching circuit (3) adopts relay.
4. a kind of power supply automatic transfer switch controller according to claim 1 is characterized in that: described display module (6) adopts charactron.
5. a kind of power supply automatic transfer switch controller according to claim 1 is characterized in that: described microprocessor (1) adopts single-chip microcomputer, and its model is LPC2138.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205655872U CN202405862U (en) | 2011-12-29 | 2011-12-29 | Automatic power transfer switch controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205655872U CN202405862U (en) | 2011-12-29 | 2011-12-29 | Automatic power transfer switch controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202405862U true CN202405862U (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205655872U Expired - Fee Related CN202405862U (en) | 2011-12-29 | 2011-12-29 | Automatic power transfer switch controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202405862U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570588A (en) * | 2011-12-29 | 2012-07-11 | 安徽鑫龙电器股份有限公司 | Automatic power transfer switch controller and control method thereof |
| CN103163793A (en) * | 2013-03-01 | 2013-06-19 | 中国人民解放军63983部队 | Intelligent direct current power switch |
-
2011
- 2011-12-29 CN CN2011205655872U patent/CN202405862U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570588A (en) * | 2011-12-29 | 2012-07-11 | 安徽鑫龙电器股份有限公司 | Automatic power transfer switch controller and control method thereof |
| CN103163793A (en) * | 2013-03-01 | 2013-06-19 | 中国人民解放军63983部队 | Intelligent direct current power switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20141229 |
|
| EXPY | Termination of patent right or utility model |