CN105678975B - A kind of heat treatment process timing prompting warning device - Google Patents
A kind of heat treatment process timing prompting warning device Download PDFInfo
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- CN105678975B CN105678975B CN201610138439.XA CN201610138439A CN105678975B CN 105678975 B CN105678975 B CN 105678975B CN 201610138439 A CN201610138439 A CN 201610138439A CN 105678975 B CN105678975 B CN 105678975B
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000010354 integration Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000012790 confirmation Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 5
- 230000005856 abnormality Effects 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exhaust Gas After Treatment (AREA)
- Relay Circuits (AREA)
Abstract
The invention discloses a kind of heat treatment process timing prompting warning device, including AC/DC power supplys DC1, first contactor are to the 7th contactor, first time relay to the 5th time relay, double-pole double throw power switch, manual switch K1 ~ K3, indicator light D1 ~ D4, alarm lamp D5 and alarming horn H；Its advantage is：The present invention can prompt operating personnel's timing carry out process confirmation, solve in heat treatment production process, running parameter data acquisition unstability, randomness, have obvious stable process capability, and prevention is practised fraud；It is of the invention to have the function of that manual/auto startup, sound-light alarm, timing prompting operating personnel process confirmation prompting alarm, heat treatment finish the duration for prompting alarm, water level abnormality alarm, fire door abnormal alarm, calculating operating personnel not to operate on request and the artificial maloperation of prevention；The present invention has the advantages that simple in structure, operation facility, favorable expandability, fabrication and installation are easy to maintain.
Description
Technical field
The invention belongs to heat treatment process timing to confirm technical field, is related to a kind of heat treatment process timing prompting report
Alarm device.
Background technology
Metal product heat treatment is to change the mechanics of materials, the important process of physical and chemical properties, to obtain different make
Use performance.The important technical parameter of heat treatment process has two, and acid extraction control, heating-up temperature system is all adopted at present
With accurate automatic control system, and the timing of process confirms that control is fairly simple original, to people's dependence higher, artificially
Error causes the very different of product to happen occasionally.How the confirmation more precision of heat treatment process to be become and currently solved
One important problem.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of heat that can prompt operating personnel's timing carry out process confirmation
Processing procedure timing prompting warning device.
Technical solution is used by solve above-mentioned technical problem：A kind of heat treatment process timing prompting warning device,
It includes AC/DC power supplys DC1, first contactor to the 7th contactor, first time relay to the 5th time relay, double-pole
Double-throw power switch, manual switch K1 ~ K3, indicator light D1 ~ D4, alarm lamp D5 and alarming horn H；
The stationary contact of the first contact K0-1 and the second contact K0-2 of the double-pole double throw power switch connect exchange respectively
220V both ends of power；The first normally opened contact T4- with the 4th contactor again after alarm lamp D5 and alarming horn the H parallel connections
1 is composed in series warning circuit, the warning circuit be connected on the first contact K0-1 of the double-pole double throw power switch swing arm and
Between the swing arm of second contact K0-2；
The input terminal of the AC/DC power supplys DC1 connects the dynamic of the first contact K0-1 of the double-pole double throw power switch respectively
The swing arm of arm and the second contact K0-2；
After the coil T5 series connection of the manual switch K3, the first normally opened contact T6-1 of the 6th contactor and the 5th contactor
Form mistake proofing halt circuit；First normally-closed contact T5-1 of the mistake proofing halt circuit through the 5th contactor is connected on described
Between two output terminals of AC/DC power supplys DC1；
Connect again with described first after the manual switch K1 is in parallel with the first normally opened contact T1-1 of the first contactor
The coil T1 of tentaculum, which is composed in series, manually boots circuit；It is described manually boot circuit first through the 5th contactor it is normally closed touch
Point T5-1 is connected between two output terminals of the AC/DC power supplys DC1；
The indicator light D1 the second normally opened contact T1-2 through the first contactor, the first of the 5th contactor normal successively
Closed contact T5-1 is connected between two output terminals of the AC/DC power supplys DC1；
The sucking coil S1 of the first time relay successively the second normally opened contact T1-2 through the first contactor,
First normally-closed contact T5-1 of the 5th contactor is connected between two output terminals of the AC/DC power supplys DC1；
The sucking coil S2 of second time relay, normally-closed contact T6-2, the 3rd time relay of the 6th contactor
Stage cue circuit is formed after the normally-closed contact S3-1 series connection of device；The stage cue circuit is successively through the first contactor
Second normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor are connected on two output terminals of the AC/DC power supplys DC1
Between；
After the normally opened contact S2-1 of second time relay is in parallel with the first normally opened contact T2-1 of second contactor
Form the first parallel control loop；
It is normally-closed contact S5-1s of the coil T2 of the second contactor successively through the 5th time relay, first in parallel
On-off circuit, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor are connected on the AC/
Between two output terminals of D/C power DC1；
Normally-closed contact S5-1s of the sucking coil S3 of 3rd time relay successively through the 5th time relay,
First parallel control loop, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor connect
Between two output terminals of the AC/DC power supplys DC1；
Normally-closed contact S5-1s of the sucking coil S5 of 5th time relay successively through the 5th time relay,
First parallel control loop, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor connect
Between two output terminals of the AC/DC power supplys DC1；
After second normally opened contact T2-2 of the second contactor is in parallel with the first normally opened contact T3-1 of the 3rd contactor
Form the second parallel control loop；The coil T3 of 3rd contactor respectively the sucking coil S4 with the 4th time relay,
It is divided to two branches after indicator light D2 parallel connections；Wherein one article of branch is successively through the manual switch K2, the second parallel control loop,
The second normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor of one contactor are connected on the AC/DC power supplys DC1's
Between two output terminals；Threeth normally opened contact T6-3 of another article of branch successively through the 6th contactor, the second of first contactor
Normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor be connected on the AC/DC power supplys DC1 two output terminals it
Between；
Second normally opened contact T3-2 of the 3rd contactor the first normally opened contact T7-1 with the 7th contactor, respectively
The 3rd parallel control loop is formed after 4th normally opened contact T6-4 parallel connections of six contactors；3rd parallel control loop and institute
State the coil T4 signal integration circuits in series of the 4th contactor；The signal integration circuit is successively through the first contactor
The second normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor be connected on two of AC/DC power supplys DC1 outputs
Between end；
After the coil T6 of 6th contactor is in parallel with the indicator light D3 again with the first time relay
Circuit is completed in one normally opened contact S1-1 promptings in series；Second of circuit successively through the first contactor is completed in the prompting
Normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor be connected on the AC/DC power supplys DC1 two output terminals it
Between；
Warning circuit is formed after the coil T7 of 7th contactor is in parallel with the indicator light D4；The warning circuit point
Two branches, wherein one article of branch connects through fire door alarm switch K4, the second normally opened contact T1-2 of first contactor, the 5th successively
First normally-closed contact T5-1 of tentaculum is connected between two output terminals of the AC/DC power supplys DC1；Another branch is successively through water
Position alarm switch K5, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor are connected on institute
Between two output terminals for stating AC/DC power supplys DC1.
The model NES-200-24 of the AC/DC power supplys DC1.
The delay time that the first time relay is set is 480 minute；Second time relay setting is prolonged
When the time be 60 minutes；The delay time that 3rd time relay is set is 1 second；4th time relay setting
Delay time is 9999 minutes；The delay time that 5th time relay is set is 2 second.
The beneficial effects of the invention are as follows：The present invention can prompt operating personnel's timing carry out process confirmation, solve heat treatment
In production process, running parameter data acquisition unstability, randomness have obvious stable process capability, and prevention is done empty and made
It is false；There is the present invention manual/auto startup, sound-light alarm, timing prompting operating personnel process to confirm prompting alarm, be heat-treated
Finish the duration for prompting alarm, water level abnormality alarm, fire door abnormal alarm, calculating operating personnel not to operate on request and prevention is artificial
The function of maloperation；The present invention has the advantages that simple in structure, operation facility, favorable expandability, fabrication and installation are easy to maintain.
Brief description of the drawings
Fig. 1 is the circuit diagram of the present invention.
Embodiment
Embodiment as shown in Figure 1 understands that it includes AC/DC power supplys DC1, first contactor to the 7th contactor, first
The time relay is to the 5th time relay, double-pole double throw power switch, manual switch K1 ~ K3, indicator light D1 ~ D4, alarm lamp
D5 and alarming horn H；
The stationary contact of the first contact K0-1 and the second contact K0-2 of the double-pole double throw power switch connect exchange respectively
220V both ends of power；The first normally opened contact T4- with the 4th contactor again after alarm lamp D5 and alarming horn the H parallel connections
1 is composed in series warning circuit, the warning circuit be connected on the first contact K0-1 of the double-pole double throw power switch swing arm and
Between the swing arm of second contact K0-2；
The input terminal of the AC/DC power supplys DC1 connects the dynamic of the first contact K0-1 of the double-pole double throw power switch respectively
The swing arm of arm and the second contact K0-2；
After the coil T5 series connection of the manual switch K3, the first normally opened contact T6-1 of the 6th contactor and the 5th contactor
Form mistake proofing halt circuit；First normally-closed contact T5-1 of the mistake proofing halt circuit through the 5th contactor is connected on described
Between two output terminals of AC/DC power supplys DC1；
Connect again with described first after the manual switch K1 is in parallel with the first normally opened contact T1-1 of the first contactor
The coil T1 of tentaculum, which is composed in series, manually boots circuit；It is described manually boot circuit first through the 5th contactor it is normally closed touch
Point T5-1 is connected between two output terminals of the AC/DC power supplys DC1；
The indicator light D1 the second normally opened contact T1-2 through the first contactor, the first of the 5th contactor normal successively
Closed contact T5-1 is connected between two output terminals of the AC/DC power supplys DC1；
The sucking coil S1 of the first time relay successively the second normally opened contact T1-2 through the first contactor,
First normally-closed contact T5-1 of the 5th contactor is connected between two output terminals of the AC/DC power supplys DC1；
The sucking coil S2 of second time relay, normally-closed contact T6-2, the 3rd time relay of the 6th contactor
Stage cue circuit is formed after the normally-closed contact S3-1 series connection of device；The stage cue circuit is successively through the first contactor
Second normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor are connected on two output terminals of the AC/DC power supplys DC1
Between；
After the normally opened contact S2-1 of second time relay is in parallel with the first normally opened contact T2-1 of second contactor
Form the first parallel control loop；
It is normally-closed contact S5-1s of the coil T2 of the second contactor successively through the 5th time relay, first in parallel
On-off circuit, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor are connected on the AC/
Between two output terminals of D/C power DC1；
Normally-closed contact S5-1s of the sucking coil S3 of 3rd time relay successively through the 5th time relay,
First parallel control loop, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor connect
Between two output terminals of the AC/DC power supplys DC1；
Normally-closed contact S5-1s of the sucking coil S5 of 5th time relay successively through the 5th time relay,
First parallel control loop, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor connect
Between two output terminals of the AC/DC power supplys DC1；
After second normally opened contact T2-2 of the second contactor is in parallel with the first normally opened contact T3-1 of the 3rd contactor
Form the second parallel control loop；The coil T3 of 3rd contactor respectively the sucking coil S4 with the 4th time relay,
It is divided to two branches after indicator light D2 parallel connections；Wherein one article of branch is successively through the manual switch K2, the second parallel control loop,
The second normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor of one contactor are connected on the AC/DC power supplys DC1's
Between two output terminals；Threeth normally opened contact T6-3 of another article of branch successively through the 6th contactor, the second of first contactor
Normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor be connected on the AC/DC power supplys DC1 two output terminals it
Between；
Second normally opened contact T3-2 of the 3rd contactor the first normally opened contact T7-1 with the 7th contactor, respectively
The 3rd parallel control loop is formed after 4th normally opened contact T6-4 parallel connections of six contactors；3rd parallel control loop and institute
State the coil T4 signal integration circuits in series of the 4th contactor；The signal integration circuit is successively through the first contactor
The second normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor be connected on two of AC/DC power supplys DC1 outputs
Between end；
After the coil T6 of 6th contactor is in parallel with the indicator light D3 again with the first time relay
Circuit is completed in one normally opened contact S1-1 promptings in series；Second of circuit successively through the first contactor is completed in the prompting
Normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor be connected on the AC/DC power supplys DC1 two output terminals it
Between；
Warning circuit is formed after the coil T7 of 7th contactor is in parallel with the indicator light D4；The warning circuit point
Two branches, wherein one article of branch connects through fire door alarm switch K4, the second normally opened contact T1-2 of first contactor, the 5th successively
First normally-closed contact T5-1 of tentaculum is connected between two output terminals of the AC/DC power supplys DC1；Another branch is successively through water
Position alarm switch K5, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor are connected on institute
Between two output terminals for stating AC/DC power supplys DC1.
The model NES-200-24 of the AC/DC power supplys DC1.
The delay time that the first time relay is set is 480 minute；Second time relay setting is prolonged
When the time be 60 minutes；The delay time that 3rd time relay is set is 1 second；4th time relay setting
Delay time is 9999 minutes；The delay time that 5th time relay is set is 2 second.
The course of work of the present invention is as follows：
Time sets：
S1:480 minutes（It is heat-treated the whole process time）；
S2:60 minutes（Operating personnel are reminded confirm the interval time of equipment etc.）；
S3:1 second（Time relay S2, which resets, to be used）；
S4:9999 minutes（It is exactly the timer of a simple calculating time, obtains and electric begin to timing）；
S5:2 seconds（Time relay S2, which resets, to be used）.
Action process：
1st, K0 switches are opened, make power on circuitry (220V).
2nd, starting switch K1 is pressed, contactor T1 is powered and self-locking.
3rd, time relay S1, S2 start-up operation timing；
3.1 time relay S2 arrival times（60 minutes）Afterwards, contact S2-1 is closed and closed；
3.1.1 contactor T2 energizations and self-locking, while time relay S3, S5 start-up operation timing；
3.1.2 contactor T3 work is driven after contactor T2 work, while time relay S4 also begins to work timing；
3.1.3 self-locking drives contactor T4 work after contactor T3 work；
3.1.4 loudspeaker and alarm lamp work after contactor T4 work, reminds operating personnel.（This is reminded at heat
Reason process confirms）；
3.1.5 lower switch K2, contactor T3, T4 manually are pressed, relay S4, horn in H and alarm lamp D5 are stopped；
3.2 time relay S3 reach the time of setting（1 second）Afterwards, turn-off time relay S2；
3.3 time relay S5 reach the time of setting（2 seconds）Afterwards, contactor T2 is disconnected；Make contactor T2, the time after
Electric appliance S3, S5 have a power failure, and no longer work；
3.4 time relay S3 are stopped so that S3-1 conjunctions in contact are closed, and time relay S2 restarts work timing.
（So as to achieve the purpose that the restarting of S2）；
3.5 time relay S2 arrival times（60 minutes）Afterwards, contact S2 is closed and closed；Repeat 3.1~3.5 steps（Extremely follow
Ring）.
4th, time relay S1 arrival times（480 minutes）Afterwards, contact S1 is closed and closed；
4.1 contact S1, which are closed, closes contactor T6 work, drives contactor T3, T4 work, and relay S4 also begins to work timing,
All work of dwell time relay S2 at the same time；
Loudspeaker and alarm lamp work, remind operating personnel after 4.2 contactor T4 work.（Stop button is opened at this time
Close K2 to be failed by shielding, press the work that can not influence circuit）.
4.3 press shutdown switch K3, contactor T5 work, whole low-voltage circuit flash electricity.（Heat treatment process finishes）
The present invention is to utilize contactor, the time relay, alarm lamp, and electric horn dispatch control system timing sound adds light to carry
Show that operating personnel carry out process confirmation, have the advantages that simple in structure, operation facility, favorable expandability, fabrication and installation are easy to maintain.
Its concrete operation step is：
1 turns on the power switch K0;
2 press startup manual switch K1 according to operation requirement;
Lower button K2 is pressed after 3 indicator light D2 are bright, carries out process confirmation, data record；
Lower button K3 is pressed after 4 indicator light D3 are bright, then carries out operation of coming out of the stove;
Fire door and water level are checked immediately after indicator light D4 is bright in 5 whole process.
The present invention includes production process time showing；Timing carries out production process and confirms prompting alarm；It is true that process is not carried out
Recognize timing；Prompting alarm is completed in production；Fire door water level abnormality prompting alarm and mistake proofing stop.
Production process time showing is made of manual switch K1, contactor T1, time relay S1 and work light D1.
Contactor T1 self-lockings after system starts, time relay S1 start heat treatment process timing, and work light D1 is always on.
Above-mentioned timing carries out production process and confirms prompting alarm by contactor T2, T3, T4；Time relay S2, S3,
S5；Alarm lamp；Work light D2；Electric horn is formed.Time relay S2 reaches time work set in advance after system starts
Make indicator light D2, alarm lamp D5, electric horn H structures to start to work, prompt operating personnel to carry out heat treatment process confirmation.
The above-mentioned process that do not carry out confirms timing by manual switch K2；Contactor T3；Time relay S4 is formed.When to production
After process confirms that prompting alarm is opened, operating personnel do not carry out heat treatment process confirmation, and time relay S4 starts timing, until
Press K2 and stop timing.
Above-mentioned production completes prompting alarm by contactor T1, T4, T6；Alarm lamp；Work light D3；Electric horn；Time
Relay S1 forms time relay S1 after systems start and reaches time set in advance, work light D3, alarm lamp, electric loudspeaker
Structure is started to work, and prompts operating personnel to carry out heat treatment process completion.
Above-mentioned fire door water level abnormality prompting alarm by contactor T4, T7；Alarm lamp；Work light D4；Electric horn structure
When coming from heat treatment furnace body water level detection switch K5 or fire door detection switch K4 into and being abnormal, contactor T4, T7 work,
Trigger alarm lamp D5；Work light D4；Electric horn H works.
Above-mentioned mistake proofing stops by manual switch K3;Contactor T1, T5, T6;Time relay S1 is formed.System must after starting
It must cover the time set by time relay S1, midway operating personnel cannot carry out stopping operation for system.Prevention is artificial by mistake
System caused by operation stops.
Embodiment described above is merely a preferred embodiment of the present invention, and the simultaneously exhaustion of non-invention possible embodiments.
For persons skilled in the art, that it is made on the premise of without departing substantially from the principle of the invention and spirit is any aobvious
And the change being clear to, it should all be contemplated as falling with the claims of the present invention.
Claims (1)
- A kind of 1. heat treatment process timing prompting warning device, it is characterised in that：Including AC/DC power supplys DC1, first contactor extremely 7th contactor, first time relay to the 5th time relay, double-pole double throw power switch, manual switch K1 ~ K3, instruction Lamp D1 ~ D4, alarm lamp D5 and alarming horn H；The stationary contact of the first contact K0-1 and the second contact K0-2 of the double-pole double throw power switch connect alternating current 220V electricity respectively Source both ends；The first normally opened contact T4-1 after alarm lamp D5 and alarming horn the H parallel connections again with the 4th contactor connects Warning circuit is formed, the warning circuit is connected on the swing arm of the first contact K0-1 of the double-pole double throw power switch and second and touches Between the swing arm of point K0-2；The input terminal of the AC/DC power supplys DC1 connect respectively the first contact K0-1 of the double-pole double throw power switch swing arm and The swing arm of second contact K0-2；Formed after the coil T5 series connection of the manual switch K3, the first normally opened contact T6-1 of the 6th contactor and the 5th contactor Mistake proofing halt circuit；First normally-closed contact T5-1 of the mistake proofing halt circuit through the 5th contactor is connected on the AC/DC Between two output terminals of power supply DC1；After the manual switch K1 is in parallel with the first normally opened contact T1-1 of the first contactor again with the first contactor Coil T1 be composed in series and manually boot circuit；It is described to manually boot first normally-closed contact of the circuit through the 5th contactor T5-1 is connected between two output terminals of the AC/DC power supplys DC1；The indicator light D1 successively the second normally opened contact T1-2 through the first contactor, the first of the 5th contactor it is normally closed touch Point T5-1 is connected between two output terminals of the AC/DC power supplys DC1；The sucking coil S1 of the first time relay the second normally opened contact T1-2 through the first contactor, the 5th successively First normally-closed contact T5-1 of contactor is connected between two output terminals of the AC/DC power supplys DC1；The sucking coil S2 of second time relay, the normally-closed contact T6-2 of the 6th contactor, the 3rd time relay Stage cue circuit is formed after normally-closed contact S3-1 series connection；The stage cue circuit successively through the first contactor second Normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor be connected on the AC/DC power supplys DC1 two output terminals it Between；Formed after the normally opened contact S2-1 of second time relay is in parallel with the first normally opened contact T2-1 of second contactor First parallel control loop；Normally-closed contact S5-1, first paralleling switches of the coil T2 of the second contactor successively through the 5th time relay Circuit, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor are connected on the AC/DC electricity Between two output terminals of source DC1；Normally-closed contact S5-1s of the sucking coil S3 of 3rd time relay successively through the 5th time relay, first Parallel control loop, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor are connected on institute Between two output terminals for stating AC/DC power supplys DC1；Normally-closed contact S5-1s of the sucking coil S5 of 5th time relay successively through the 5th time relay, first Parallel control loop, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor are connected on institute Between two output terminals for stating AC/DC power supplys DC1；Formed after second normally opened contact T2-2 of the second contactor is in parallel with the first normally opened contact T3-1 of the 3rd contactor Second parallel control loop；The coil T3 of 3rd contactor sucking coil S4 with the 4th time relay, instructions respectively It is divided to two branches after lamp D2 parallel connections；Wherein a branch connects through the manual switch K2, the second parallel control loop, first successively The second normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor of tentaculum are connected on two of the AC/DC power supplys DC1 Between output terminal；It is threeth normally opened contact T6-3 of another article of branch successively through the 6th contactor, the second of first contactor normally opened Contact T1-2, the first normally-closed contact T5-1 of the 5th contactor are connected between two output terminals of the AC/DC power supplys DC1；The first normally opened contact T7-1 with the 7th contactor, the 6th connect second normally opened contact T3-2 of the 3rd contactor respectively The 3rd parallel control loop is formed after 4th normally opened contact T6-4 parallel connections of tentaculum；3rd parallel control loop and described the The coil T4 signal integration circuits in series of four contactors；The signal integration circuit successively through the first contactor Two normally opened contact T1-2, the first normally-closed contact T5-1 of the 5th contactor be connected on the AC/DC power supplys DC1 two output terminals it Between；It is normal with the first of the first time relay again after the coil T6 of 6th contactor is in parallel with the indicator light D3 Open contact S1-1 promptings in series and complete circuit；It is second normally opened successively through the first contactor that circuit is completed in the prompting Contact T1-2, the first normally-closed contact T5-1 of the 5th contactor are connected between two output terminals of the AC/DC power supplys DC1；Warning circuit is formed after the coil T7 of 7th contactor is in parallel with the indicator light D4；The warning circuit is divided to two Branch, wherein one article of branch the second normally opened contact T1-2, the 5th contactor through fire door alarm switch K4, first contactor successively The first normally-closed contact T5-1 be connected between two output terminals of the AC/DC power supplys DC1；Another branch is successively through water level report Alert switch K5, the second normally opened contact T1-2 of first contactor, the first normally-closed contact T5-1 of the 5th contactor are connected on the AC/ Between two output terminals of D/C power DC1；The model NES-200-24 of the AC/DC power supplys DC1：The delay time that the first time relay is set is 480 minute；During the delay of second time relay setting Between be 60 minutes；The delay time that 3rd time relay is set is 1 second；The delay of 4th time relay setting Time is 9999 minutes；The delay time that 5th time relay is set is 2 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138439.XA CN105678975B (en) | 2016-03-11 | 2016-03-11 | A kind of heat treatment process timing prompting warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138439.XA CN105678975B (en) | 2016-03-11 | 2016-03-11 | A kind of heat treatment process timing prompting warning device |
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| CN105678975A CN105678975A (en) | 2016-06-15 |
| CN105678975B true CN105678975B (en) | 2018-05-08 |
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| CN201610138439.XA Expired - Fee Related CN105678975B (en) | 2016-03-11 | 2016-03-11 | A kind of heat treatment process timing prompting warning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2148212Y (en) * | 1992-07-14 | 1993-12-01 | 张春华 | Starting alarm controller for machine tool and power equipment |
| US9143843B2 (en) * | 2010-12-09 | 2015-09-22 | Sealed Air Corporation | Automated monitoring and control of safety in a production area |
| CN202111677U (en) * | 2011-05-30 | 2012-01-11 | 湖北丹江口志成铸造有限公司 | Control circuit for molten iron casting time |
| CN202332735U (en) * | 2011-11-25 | 2012-07-11 | 王永存 | Early-warning delay interrupting device |
| CN205644917U (en) * | 2016-03-11 | 2016-10-12 | 河北盛跃铁路电气化器材有限公司 | Heat treating alarm device is regularly indicateed to process |
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