CN205978724U - AC motor's direct current drive conversion equipment - Google Patents
AC motor's direct current drive conversion equipment Download PDFInfo
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- CN205978724U CN205978724U CN201620964779.3U CN201620964779U CN205978724U CN 205978724 U CN205978724 U CN 205978724U CN 201620964779 U CN201620964779 U CN 201620964779U CN 205978724 U CN205978724 U CN 205978724U
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Abstract
The utility model relates to a AC motor's direct current drive conversion equipment contains power module, stroke detection module and stroke control module, and alternating current -direct current conversion drive circuit, the stroke control module contain: main control unit, motorised valve drive unit, motorised valve drive unit contains the motorised valve, reaches motorised valve switch circuit, the stroke detection module contains respectively motorised valve opening action detection circuitry, motorised valve closing motion detection circuitry with motorised valve switch circuit looks signal connection, and the unusual detection circuitry of trouble, and motorised valve opening action detection circuitry, motorised valve closing motion detection circuitry's output is respectively through unusual detection circuitry of trouble and main control unit looks signal connection. The utility model discloses a stroke detection, stroke control and alternating current -direct current conversion drive circuit realize motorised valve detection control, whether judge valve normal operating, and discovery in time is unusual to be handled, avoids causing corresponding loss, and performance detection is stable, excellent in use effect.
Description
Technical field
This utility model belongs to electrodynamic valve control technology field, particularly to a kind of DC driven converting means of alternating current generator
Put.
Background technology
With the fast development of China's economic society, often use the control of liquid or gas, Chang Cai in building and industry
With electrically operated valve, improve the effect controlling and automaticity, improve the intelligence degree of system, various electric equipments
In some work more stable in the case of galvanic, the circuit design of internal AC-DC conversion becomes electrical equipment steady operation
One of key.In actual applications, the control of valve and the effect detection of control are difficult problems, when valve stroke problem
When, find in time to process in time, it is to avoid cause damage and security incident.Existing valve stroke detection controls not accurate, safety
Property relatively low, AC-DC conversion drive unstable, serviceability is poor, relatively costly.
Content of the invention
For overcoming deficiency of the prior art, this utility model provides a kind of DC driven conversion equipment of alternating current generator,
Driven by stroke detection, Stroke Control and AC-DC conversion and carry out electrodynamic valve detection control, detection is accurate, low cost, simultaneously
Solve the technical problem that spread of voltage causes device damage, serviceability is more stable.
According to design provided by the utility model, a kind of DC driven conversion equipment of alternating current generator, comprise electricity
Source module, and the stroke detection module that electrically connects with power module respectively and Stroke Control module, stroke detection module and stroke
Control module connects with signal, and also comprises the AC-DC conversion drive circuit connecting with signal with Stroke Control module, described row
Process control module comprises：Main control unit and the electrodynamic valve driver element connecting with signal with main control unit, described electrodynamic valve drives
Unit comprises electrodynamic valve and electronic valve control circuit, and described stroke detection module comprises to believe with electronic valve control circuit respectively
Number the electrodynamic valve breakdown action testing circuit connecting, electrodynamic valve closing motion testing circuit, and failure exception testing circuit, electronic
Valve breakdown action testing circuit, the outfan of electrodynamic valve closing motion testing circuit pass through failure exception testing circuit and master respectively
Control unit connects with signal.
Above-mentioned, electrodynamic valve breakdown action testing circuit and electrodynamic valve closing motion testing circuit are signal and trigger back inspection
Circuit, described signal triggers back inspection circuit and comprises PNP triode, sampling resistor, return inspection resistance, return inspection electric capacity, electronic threshold switch
Circuit is electrically connected with PNP triode emitter stage, and colelctor electrode is in series with load resistance, and returns inspection resistance, returns inspection electric capacity with parallel
One end concatenation, in parallel returns inspection resistance, returns inspection electric capacity other end ground connection, and PNP triode base terminal is connected with biasing resistor, adopts
Sample resistance is arranged between biasing resistor and emitter stage, biasing resistor and sampling resistor junction point and return inspection electric capacity and load electricity
Resistance junction point is electrically connected with main control unit respectively.
Above-mentioned, communication unit that described Stroke Control module also comprises to connect with signal with main control unit, memory element,
Unit during prison.
Preferably, described communication unit comprises the RS485 wire communication circuit electrically connecting respectively and wireless with main control unit
Communicating circuit, up-link wireless communication circuit module that wireless communication line comprises to electrically connect with main control unit respectively, descending wireless
Communication circuit module；During described prison, unit is the watchdog circuit connecting with signal with main control unit.
Above-mentioned, also include crystal oscillating circuit unit, power conversion unit and signal lighties indicating circuit unit.
The beneficial effects of the utility model：
This utility model is novel in design, reasonable, and circuit realiration is simple, is turned by stroke detection, Stroke Control and alternating current-direct current
Change the detection control that electrodynamic valve realized by drive circuit, be accurately judged to valve and normally whether run, when route problem in valve
When, find in time, process, it is to avoid cause accordingly to lose, realize fast and stable control, using effect is good, effectively reduce and produce fortune
The security incident of row aspect, and equipment cost is low, easy to maintenance.
Brief description：
Fig. 1 is the systematic schematic diagram of embodiment one；
Fig. 2 is the AC-DC conversion driver circuit schematic diagram of embodiment one；
Fig. 3 is the systematic schematic diagram of embodiment two
Fig. 4 is power module circuitry schematic diagram of the present utility model；
Fig. 5 is main control unit circuit theory diagrams of the present utility model；
Fig. 6 is electrodynamic valve driver element circuit theory diagrams of the present utility model；
Fig. 7 is electrodynamic valve unlatching/closing motion testing circuit circuit theory diagrams of the present utility model；
Fig. 8 is storage unit circuit schematic diagram of the present utility model；
Fig. 9 is element circuit schematic diagram during prison of the present utility model；
Figure 10 is RS485 wire communication circuit theory diagrams of the present utility model；
Figure 11 is wireless communication line schematic diagram of the present utility model.
Specific embodiment：
With technical scheme, this utility model is described in further detail below in conjunction with the accompanying drawings, and is implemented by preferred
Example describes embodiment of the present utility model in detail, but embodiment of the present utility model is not limited to this.
Embodiment one, referring to shown in Fig. 1 ~ 2, a kind of DC driven conversion equipment of alternating current generator, comprise power module, and
The stroke detection module electrically connecting with power module respectively and Stroke Control module, stroke detection module and Stroke Control module phase
Signal connects, and also comprises the AC-DC conversion drive circuit connecting with signal with Stroke Control module, realizes alternating current and direct current power supply
Conversion, AC-DC conversion drive circuit isolated to input and output by photoelectric coupling module, strong antijamming capability, work
Stable, described Stroke Control module comprises：Main control unit and the electrodynamic valve driver element connecting with signal with main control unit, institute
State electrodynamic valve driver element and comprise electrodynamic valve and electronic valve control circuit, described stroke detection module comprise respectively with electrodynamic valve
Electrodynamic valve breakdown action testing circuit that on-off circuit connects with signal, electrodynamic valve closing motion testing circuit, and failure exception
Testing circuit, electrodynamic valve breakdown action testing circuit, electrodynamic valve closing motion testing circuit outfan respectively pass through fault different
Often testing circuit is connected with signal with main control unit, and efficiency of transmission is high, long service life, solves spread of voltage simultaneously and causes to set
The standby technical problem damaged, serviceability is more stable.
Embodiment two, referring to shown in Fig. 3 ~ 11, essentially identical with embodiment one, difference is：Electrodynamic valve is opened dynamic
Make testing circuit and electrodynamic valve closing motion testing circuit is signal and triggers back inspection circuit, described signal triggers back inspection circuit bag
Containing PNP triode, sampling resistor, return inspection resistance, return inspection electric capacity, electronic valve control circuit is electrically connected with PNP triode emitter stage,
Colelctor electrode is in series with load resistance, and with parallel return inspection resistance, one end of returning inspection electric capacity concatenate, in parallel return inspection resistance, time
Inspection electric capacity other end ground connection, PNP triode base terminal is connected with biasing resistor, and sampling resistor is arranged on biasing resistor and emitter stage
Between, biasing resistor is electrically connected with main control unit with load resistance junction point respectively with sampling resistor junction point and time inspection electric capacity.
Single when communication unit that described Stroke Control module also comprises to connect with signal with main control unit, memory element, prison
Unit.
Preferably, described communication unit comprises the RS485 wire communication circuit electrically connecting respectively and wireless with main control unit
Communicating circuit, up-link wireless communication circuit module that wireless communication line comprises to electrically connect with main control unit respectively, descending wireless
Communication circuit module；During described prison, unit is the watchdog circuit connecting with signal with main control unit.
Above-mentioned, also include crystal oscillating circuit unit, power conversion unit and signal lighties indicating circuit unit.
Stroke detection module persistently detects electrodynamic valve operating current I, and determines electrodynamic valve triggering state K, main control unit meter
Amount electrodynamic valve opens or closes the time T instructing travel switch action from execution；According to electrodynamic valve operating current I, running status K and
Time T judges whether electrodynamic valve running status is normal, specifically comprises following content：According to electrodynamic valve operating current I, running status
K and time T, if running status K is triggering state, and electrodynamic valve operating current I is unsatisfactory for predetermined driving current, then judge electricity
Dynamic stroke of valve puts in place normally；If running status K is triggering state, and electrodynamic valve operating current I meets predetermined driving current, then
Judge electrodynamic valve travel switch fault；If running status K be non-triggering state, and electrodynamic valve operating current I be unsatisfactory for predetermined
Driving current, then judge electrodynamic valve driving malfunction；If running status K is non-triggering state, electrodynamic valve operating current I meets predetermined
Driving current, and time T is less than or equal to predetermined electrodynamic valve t specified movement time, then judge that electrodynamic valve drives and carry out；If fortune
Row state K is non-triggering state, and electrodynamic valve operating current I meets predetermined driving current, and time T is more than predetermined electrodynamic valve volume
Determine t movement time, then judge electronic stroke of valve fault.
This utility model is not limited to above-mentioned specific embodiment, and those skilled in the art also can make multiple changes accordingly
Change, but any equivalent with this utility model or similar change all should be covered in the range of this utility model claim.
Claims (5)
1. the DC driven conversion equipment of a kind of alternating current generator, comprises power module, and the row electrically connecting respectively with power module
Journey detection module and Stroke Control module, stroke detection module and Stroke Control module connect with signal it is characterised in that：Also wrap
Containing the AC-DC conversion drive circuit connecting with signal with Stroke Control module, described Stroke Control module comprises：Main control unit,
And the electrodynamic valve driver element connecting with signal with main control unit, described electrodynamic valve driver element comprises electrodynamic valve and electrodynamic valve
On-off circuit, described stroke detection module comprises the electrodynamic valve breakdown action inspection connecting with signal respectively with electronic valve control circuit
Slowdown monitoring circuit, electrodynamic valve closing motion testing circuit, and failure exception testing circuit, electrodynamic valve breakdown action testing circuit, electronic
The outfan of valve closing motion testing circuit is connected with signal by failure exception testing circuit and main control unit respectively.
2. alternating current generator according to claim 1 DC driven conversion equipment it is characterised in that：Electrodynamic valve breakdown action
Testing circuit and electrodynamic valve closing motion testing circuit are signal and trigger back inspection circuit, and described signal triggers back inspection circuit and comprises
PNP triode, sampling resistor, time inspection resistance, time inspection electric capacity, electronic valve control circuit is electrically connected with PNP triode emitter stage, collection
Electrode is in series with load resistance, and concatenates with one end of time inspection resistance in parallel, time inspection electric capacity, time inspection resistance, Hui Jian in parallel
The electric capacity other end is grounded, and PNP triode base terminal is connected with biasing resistor, sampling resistor be arranged on biasing resistor and emitter stage it
Between, biasing resistor is electrically connected with main control unit with load resistance junction point respectively with sampling resistor junction point and time inspection electric capacity.
3. alternating current generator according to claim 1 DC driven conversion equipment it is characterised in that：Described Stroke Control mould
Unit when communication unit that block also comprises to connect with signal with main control unit, memory element, prison.
4. alternating current generator according to claim 3 DC driven conversion equipment it is characterised in that：Described communication unit bag
Containing the RS485 wire communication circuit electrically connecting with main control unit respectively and wireless communication line, wireless communication line comprises respectively
The up-link wireless communication circuit module that electrically connects with main control unit, descending wireless communication line module, during described prison unit be with
The watchdog circuit that main control unit connects with signal.
5. alternating current generator according to claim 1 DC driven conversion equipment it is characterised in that：Also include crystal oscillator electricity
Road unit, power conversion unit and signal lighties indicating circuit unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620964779.3U CN205978724U (en) | 2016-08-29 | 2016-08-29 | AC motor's direct current drive conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620964779.3U CN205978724U (en) | 2016-08-29 | 2016-08-29 | AC motor's direct current drive conversion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978724U true CN205978724U (en) | 2017-02-22 |
Family
ID=58036935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620964779.3U Active CN205978724U (en) | 2016-08-29 | 2016-08-29 | AC motor's direct current drive conversion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957691A (en) * | 2017-12-26 | 2018-04-24 | 郑州春泉节能股份有限公司 | A kind of electrically operated valve proportional control apparatus and control method |
-
2016
- 2016-08-29 CN CN201620964779.3U patent/CN205978724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957691A (en) * | 2017-12-26 | 2018-04-24 | 郑州春泉节能股份有限公司 | A kind of electrically operated valve proportional control apparatus and control method |
| CN107957691B (en) * | 2017-12-26 | 2023-04-28 | 郑州春泉节能股份有限公司 | Electric valve proportion control device and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: DC drive conversion device of AC motor Effective date of registration: 20210329 Granted publication date: 20170222 Pledgee: Zhongyuan re guarantee group technology Financing Guarantee Co.,Ltd. Pledgor: ZHENGZHOU CHUNQUAN ENERGY-SAVING Co.,Ltd. Registration number: Y2021980002181 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220627 Granted publication date: 20170222 Pledgee: Zhongyuan re guarantee group technology Financing Guarantee Co.,Ltd. Pledgor: ZHENGZHOU CHUNQUAN ENERGY-SAVING Co.,Ltd. Registration number: Y2021980002181 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |