CN202870658U - Electrical safety locking device of still kettle - Google Patents
Electrical safety locking device of still kettle Download PDFInfo
- Publication number
- CN202870658U CN202870658U CN 201220509399 CN201220509399U CN202870658U CN 202870658 U CN202870658 U CN 202870658U CN 201220509399 CN201220509399 CN 201220509399 CN 201220509399 U CN201220509399 U CN 201220509399U CN 202870658 U CN202870658 U CN 202870658U
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- CN
- China
- Prior art keywords
- auxiliary reclay
- solenoid valve
- opened contact
- normally opened
- kettle
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Abstract
The utility model provides an electrical safety locking device of a still kettle, comprising an in-kettle temperature detection mechanism, an in-kettle pressure detection mechanism and an electromagnetic valve on-off mechanism. According to the electrical safety locking device of the still kettle, an electromagnetic valve on-off control circuit is added in a control loop so that an alarm can be given and an electromagnetic valve can be closed to stop gas incoming when the temperature and pressure inside the still kettle exceed an ultimate value, thereby preventing the temperature and pressure inside the still kettle from further rising, avoiding dangerous accidents and providing a safe working environment for workers.
Description
Technical field
The utility model relates to a kind of electrical control gear for still kettle, relates in particular to a kind of still kettle electrical safety locking device.
Background technology
Still kettle belongs to a kind of bulky, large pressurized vessel that weight is heavier; the electrical control gear of existing still kettle; superpressure and overtemperture control can only be played sound and light alarm and effect that can not release during greater than safe temperature or pressure; this moment, air inlet electromagnetic valve still was in opening; it is used really not play protection; if the no one can find alarm, just still kettle can damage so, also brought great potential safety hazard to production under the High Temperature High Pressure that continues.
The utility model content
The technical problems to be solved in the utility model is: lack the setting of cutting off air inlet when over-temp and over-pressure occurring in the still for the electrical control gear that solves existing still kettle, the circuit that brings the problem of potential safety hazard, the utility model to provide a kind of still kettle electrical safety locking device to increase control solenoid valve break-make in control loop to production solves the problems referred to above.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of still kettle electrical safety locking device, comprise temperature in the kettle testing agency, still internal pressure testing agency and solenoid valve on off mechanism, described temperature in the kettle testing agency comprises temperature monitor and the first auxiliary reclay, the high temperature upper limit output terminal of described temperature monitor is connected with the coil of the first auxiliary reclay, described the first auxiliary reclay has the first normally closed contact, described still internal pressure testing agency comprises pressure detecting instrument and the second auxiliary reclay, the high pressure limit output terminal of described pressure detecting instrument is connected with the coil of the second auxiliary reclay, described the second auxiliary reclay has the second normally closed contact, described solenoid valve on off mechanism comprises air inlet excision/feeding device and solenoid valve headstock gear, described air inlet excision/feeding device comprises the 4th auxiliary reclay and air inlet portable lamp, described the 4th auxiliary reclay with after the air inlet portable lamp is in parallel successively with the second normally closed contact, the series connection of the first normally closed contact, described solenoid valve headstock gear comprises at least one solenoid valve, and described solenoid valve is connected with the normally opened contact of the 4th auxiliary reclay.
Concrete, the quantity of solenoid valve is two in the described solenoid valve headstock gear, be respectively No. 1 solenoid valve and No. 2 solenoid valves, described the 4th auxiliary reclay has the 6th normally opened contact and the 7th normally opened contact, described the 6th normally opened contact is connected with No. 1 solenoid valve, and described the 7th normally opened contact is connected with No. 2 solenoid valves.
The beneficial effects of the utility model are, this still kettle electrical safety locking device, in control loop, increased control solenoid valve on-off circuit, make still kettle at over-temp and over-pressure alarm and shut electromagnetic valve, stop air inlet, thereby prevent that temperature in the kettle and pressure from further raising, prevent danger, provide safe production environment to the workman.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the workflow synoptic diagram of still kettle electrical safety locking device of the present utility model;
Fig. 2 is the electric control theory figure of still kettle electrical safety locking device of the present utility model.
Among the figure: KA1, the first auxiliary reclay, KA2, the second auxiliary reclay, KA3, the 3rd auxiliary reclay, KA4, the 4th auxiliary reclay, SB0, pushbutton switch, HL1, the overtemperature warning lamp, HL2, the superpressure warning lamp, HL3, the air inlet portable lamp, HA, alarm bell, Y1, No. 1 solenoid valve, Y2, No. 2 solenoid valves, KA1-1, the first normally opened contact, KA1-2, the second normally opened contact, KA2-3, the 3rd normally opened contact, KA2-4, the 4th normally opened contact, KA3-5, the contact is opened in 5 constant virtues, KA4-6, the 6th normally opened contact, KA4-7, the 7th normally opened contact, KA1-a, the first normally closed contact, KA2-b, the second normally closed contact, KA3-c, the 3rd normally closed contact.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the synoptic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Shown in Fig. 1 ~ 2, still kettle electrical safety locking device of the present utility model, comprise temperature in the kettle testing agency, still internal pressure testing agency, overtemperature warning lamp mechanism, superpressure warning lamp mechanism, alarm bell mechanism, the solenoid valve on off mechanism, temperature in the kettle testing agency comprises temperature monitor and the first auxiliary reclay KA1, the high temperature upper limit output terminal of temperature monitor is connected with the coil of the first auxiliary reclay KA1, the first auxiliary reclay KA1 has the first normally opened contact KA1-1, the second normally opened contact KA1-2 and the first normally closed contact KA1-a, overtemperature warning lamp mechanism comprises overtemperature warning lamp HL1, overtemperature warning lamp HL1 is connected with the first normally opened contact KA1-1, still internal pressure testing agency comprises pressure detecting instrument and the second auxiliary reclay KA2, the high pressure limit output terminal of pressure detecting instrument is connected with the coil of the second auxiliary reclay KA2, the second auxiliary reclay KA2 has the 3rd normally opened contact KA2-3, the 4th normally opened contact KA2-4 and the second normally closed contact KA2-b, superpressure warning lamp mechanism comprises superpressure warning lamp HL2, superpressure warning lamp HL2 is connected with the 3rd normally opened contact KA2-3, alarm bell HA mechanism comprises alarm bell HA device, connect with alarm bell HA device after the second normally opened contact KA1-2 and the 4th normally opened contact KA2-4 parallel connection, the solenoid valve on off mechanism comprises air inlet excision/feeding device and solenoid valve headstock gear, air inlet excision/feeding device comprises the first rotary switch, the 4th auxiliary reclay KA4 and air inlet portable lamp HL3, the 4th auxiliary reclay KA4 with after air inlet portable lamp HL3 is in parallel successively with the second normally closed contact KA2-b, the first normally closed contact KA1-a series connection, the solenoid valve headstock gear comprises at least one solenoid valve, solenoid valve is connected with the normally opened contact of the 4th auxiliary reclay KA4, alarm bell HA device comprises the pushbutton switch SB0 that sounds all clear, alarm bell HA and the 3rd auxiliary reclay KA3, the 3rd auxiliary reclay KA3 has 5 constant virtues and opens contact KA3-5 and the 3rd normally closed contact KA3-c, pushbutton switch SB0 and the 3rd auxiliary reclay KA3, the 3rd normally closed contact KA3-c and the alarm bell HA rear parallel connection of connecting respectively, 5 constant virtues is opened contact KA3-5 and is connected in parallel on the shift knob two ends, in general the production, the quantity of solenoid valve is two in the solenoid valve headstock gear, be respectively No. 1 solenoid valve Y1 and No. 2 solenoid valve Y2, the 4th auxiliary reclay KA4 has the 6th normally opened contact KA4-6 and the 7th normally opened contact KA4-7, the 6th normally opened contact KA4-6 is connected with No. 1 solenoid valve Y1, and the 7th normally opened contact KA4-7 is connected with No. 2 solenoid valve Y2.
Principle and the workflow of this still kettle electrical safety locking device are described as follows:
1, when the steam pressure temperature in the kettle is normal, pushbutton switch SB0 is off-state, the high temperature upper limit output terminal no signal output of temperature monitor, the first auxiliary reclay KA1 dead electricity, the first normally opened contact KA1-1KA1-1 disconnects, overtemperature warning lamp HL1 goes out, the second normally opened contact KA1-2 and the 4th normally opened contact KA2-4 disconnect, the 3rd auxiliary reclay KA3 dead electricity, 5 constant virtues is opened contact KA3-5 and is disconnected, and the 3rd normally closed contact KA3-c is closed, and alarm bell HA is noiseless, the first normally closed contact KA1-a is closed, the second normally closed contact KA2-b is closed, and the 4th auxiliary reclay KA4 gets electric, and the 6th normally opened contact KA4-6 is closed, the 7th normally opened contact KA4-7 is closed, and No. 1 solenoid valve Y1 and No. 2 solenoid valve Y2 are in opening.
The steam pressure temperature in the kettle surpasses upper prescribing a time limit, pushbutton switch SB0 is off-state, the high temperature upper limit output terminal of temperature monitor has signal output, the first auxiliary reclay KA1 gets electric, the first normally opened contact KA1-1KA1-1 is closed, HL1 is bright for the overtemperature warning lamp, and the second normally opened contact KA1-2 is closed, and 5 constant virtues is opened contact KA3-5 and disconnected, the 3rd normally closed contact KA3-c is closed, alarm bell HA reports to the police, and the first normally closed contact KA1-a disconnects, and the second normally closed contact KA2-b is closed, the 4th auxiliary reclay KA4 dead electricity, the 6th normally opened contact KA4-6 disconnects, and the 7th normally opened contact KA4-7 disconnects, and No. 1 solenoid valve Y1 and No. 2 solenoid valve Y2 are in closed condition.
When needs are eliminated alarm bell HA the tinkle of bells, manually press the button switch S B0, pushbutton switch SB0 is closure state, and the 3rd auxiliary reclay KA3 gets electric, it is closed that contact KA3-5 is opened in 5 constant virtues, the 3rd normally closed contact KA3-c disconnects, and alarm bell HA stop alarm is before the steam pressure temperature in the kettle recovers normally, the second normally opened contact KA1-2 and 5 constant virtues are opened contact KA3-5 and are continued closed, the 3rd auxiliary reclay KA3 continues electricly, and alarm bell HA continues dead electricity, no longer reports to the police.
2, when the still kettle internal pressure is normal, pushbutton switch SB0 is off-state, the high pressure limit output terminal no signal output of pressure detecting instrument, the second auxiliary reclay KA2 dead electricity, the 3rd normally opened contact KA2-3 disconnects, superpressure warning lamp HL2 goes out, the second normally opened contact KA1-2 and the 4th normally opened contact KA2-4 disconnect, the 3rd auxiliary reclay KA3 dead electricity, 5 constant virtues is opened contact KA3-5 and is disconnected, and the 3rd normally closed contact KA3-c is closed, and alarm bell HA is noiseless, the first normally closed contact KA1-a is closed, the second normally closed contact KA2-b is closed, and the 4th auxiliary reclay KA4 gets electric, and the 6th normally opened contact KA4-6 is closed, the 7th normally opened contact KA4-7 is closed, and No. 1 solenoid valve Y1 and No. 2 solenoid valve Y2 are in opening.
The still kettle internal pressure surpasses upper prescribing a time limit, pushbutton switch SB0 is off-state, the high pressure limit output terminal of pressure detecting instrument has signal output, the second auxiliary reclay KA2 gets electric, the 3rd normally opened contact KA2-3 is closed, HL2 is bright for the superpressure warning lamp, and the 4th normally opened contact KA2-4 is closed, and 5 constant virtues is opened contact KA3-5 and disconnected, the 3rd normally closed contact KA3-c is closed, alarm bell HA reports to the police, and the first normally closed contact KA1-a is closed, and the second normally closed contact KA2-b disconnects, the 4th auxiliary reclay KA4 dead electricity, the 6th normally opened contact KA4-6 disconnects, and the 7th normally opened contact KA4-7 disconnects, and No. 1 solenoid valve Y1 and No. 2 solenoid valve Y2 are in closed condition.
When needs are eliminated alarm bell HA the tinkle of bells, manually press the button switch S B0, pushbutton switch SB0 is closure state, and the 3rd auxiliary reclay KA3 gets electric, it is closed that contact KA3-5 is opened in 5 constant virtues, the 3rd normally closed contact KA3-c disconnects, and alarm bell HA stop alarm is before the still kettle internal pressure is recovered normally, the 4th normally opened contact KA2-4 and 5 constant virtues are opened contact KA3-5 and are continued closed, the 3rd auxiliary reclay KA3 continues electricly, and alarm bell HA continues dead electricity, no longer reports to the police.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on the instructions, must determine its technical scope according to the claim scope.
Claims (2)
1. still kettle electrical safety locking device, it is characterized in that: comprise temperature in the kettle testing agency, still internal pressure testing agency and solenoid valve on off mechanism, described temperature in the kettle testing agency comprises temperature monitor and the first auxiliary reclay (KA1), the high temperature upper limit output terminal of described temperature monitor is connected with the coil of the first auxiliary reclay (KA1), described the first auxiliary reclay (KA1) has the first normally closed contact (KA1-a), described still internal pressure testing agency comprises pressure detecting instrument and the second auxiliary reclay (KA2), the high pressure limit output terminal of described pressure detecting instrument is connected with the coil of the second auxiliary reclay (KA2), described the second auxiliary reclay (KA2) has the second normally closed contact (KA2-b), described solenoid valve on off mechanism comprises air inlet excision/feeding device and solenoid valve headstock gear, described air inlet excision/feeding device comprises the 4th auxiliary reclay (KA4) and air inlet portable lamp (HL3), described the 4th auxiliary reclay (KA4) with after air inlet portable lamp (HL3) is in parallel successively with the second normally closed contact (KA2-b), the first normally closed contact (KA1-a) series connection, described solenoid valve headstock gear comprises at least one solenoid valve, and described solenoid valve is connected with the normally opened contact of the 4th auxiliary reclay (KA4).
2. still kettle electrical safety locking device as claimed in claim 1, it is characterized in that: the quantity of solenoid valve is two in the described solenoid valve headstock gear, be respectively No. 1 solenoid valve (Y1) and No. 2 solenoid valves (Y2), described the 4th auxiliary reclay (KA4) has the 6th normally opened contact (KA4-6) and the 7th normally opened contact (KA4-7), described the 6th normally opened contact (KA4-6) is connected with No. 1 solenoid valve (Y1), and described the 7th normally opened contact (KA4-7) is connected with No. 2 solenoid valves (Y2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220509399 CN202870658U (en) | 2012-09-29 | 2012-09-29 | Electrical safety locking device of still kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220509399 CN202870658U (en) | 2012-09-29 | 2012-09-29 | Electrical safety locking device of still kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202870658U true CN202870658U (en) | 2013-04-10 |
Family
ID=48037365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220509399 Expired - Fee Related CN202870658U (en) | 2012-09-29 | 2012-09-29 | Electrical safety locking device of still kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202870658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970584A (en) * | 2017-02-28 | 2017-07-21 | 徐州工程学院 | A kind of still kettle safety detection device and method |
-
2012
- 2012-09-29 CN CN 201220509399 patent/CN202870658U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970584A (en) * | 2017-02-28 | 2017-07-21 | 徐州工程学院 | A kind of still kettle safety detection device and method |
| CN106970584B (en) * | 2017-02-28 | 2019-06-18 | 徐州工程学院 | A kind of still kettle safety detection device and method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20180929 |