CN2651550Y - Actuator of electric motor resetting valve - Google Patents
Actuator of electric motor resetting valve Download PDFInfo
- Publication number
- CN2651550Y CN2651550Y CN 200320102008 CN200320102008U CN2651550Y CN 2651550 Y CN2651550 Y CN 2651550Y CN 200320102008 CN200320102008 CN 200320102008 CN 200320102008 U CN200320102008 U CN 200320102008U CN 2651550 Y CN2651550 Y CN 2651550Y
- Authority
- CN
- China
- Prior art keywords
- motor
- rotating disk
- switch
- valve
- reset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a valve actuator for a motor reposition fireproof valve, which solves the problem of that the valve actuator in the existing technology can't make the valve actuator reposited before the temperature sensing signal isn't relieved, which results in that the flue gas caused by the fire can't be removed from the building in time. The interior of a machine shell is provided with an emergency switch motor reposition mechanism, and the reposition motor makes a ratchet wheel rotate within the 90-degree circular arc range of opening and closing the valve through a gear speed-reducing drive device, a positioning turnplate and a pull rod; the opening of the reposition motor is controlled by a reposition switch in the control center, and the closing of the reposition motor is controlled by a temperature sensing channel microswitch and a turnplate channel microswitch.
Description
Technical field
The utility model belongs to ventilation, fire-protection equipment field, particularly relates to the valve actuator of fire-closing valve series products.
Background technique
The fire-protection valve final controlling element is made up of the slide plate and the position limit switch of casing, click positioning means, meltable chip fuse, electromagnet, pulling pawl plate in the prior art.Use this valve actuator in ventilation, fire protection engineering, during breaking out of fire, the fus action causes the valve actuator action, closes fire-closing valve, comes into effect alkyl halide extinction using gas or other fire extinguishing measure.After fire extinguishing finished, because high temperature and flue gas still exist, temperature sense signal was not removed, personnel can't carry out associative operation near valve, and operation of actuator makes it open fire-closing valve immediately immediately, cause poisonous high-temperature flue gas to be trapped in the building, can not get rid of rapidly.After must waiting the high temperature flue gas to eliminate, manually change fuse sheet, after the normal state of recovery fus, just can open valve and make the system recovery proper functioning.
Summary of the invention
The purpose of this utility model provides a kind of band and suddenly opens function reset motor valve actuator, can be after fire suppression, and the remote control valve final controlling element resets immediately, drives valve open, discharges poisonous high-temperature flue gas rapidly.
The technical solution of the utility model is as follows:
It comprises the output shaft of casing, click positioning means, fus, electromagnet, position limit switch, connection ratchet, the output shaft pusher dog of drive valve switch.Casing comprises and is fixed together and limits upper cover plate, dividing plate and the side plate of the space outerpace of an inner space and an opening, the output shaft pusher dog of fus, click positioning means, the output shaft that connects ratchet, drive valve switch is arranged at space outerpace, electromagnet and position limit switch are arranged in the inner space, it is characterized in that: be provided with automatic reset mechanism in the casing, this mechanism is by forming with the bottom: motor resets; Gear reduction speed transmission device; Location rotating disk and pull bar.
Reset the unlatching of motor by far away from the control of the reset switch of control centre, the closing by temperature sense path sensitive switch and the control of rotating disk path sensitive switch two-way of the motor that resets.Wherein, temperature sense path sensitive switch makes the motor that resets in fuse sheet fusing back outage, and rotating disk path sensitive switch cuts off the power supply the motor that resets behind valve opening.
The gear reduction transmission device is Pyatyi gear reduction transmission, and first gearwheel is meshed with gear on the motor, and the final stage small gear is meshed with gearwheel (disk gear) on the turntable shaft of location.
There is with holes taking off post the location on the rotating disk limit, and pull bar passes and locatees rotating disk and is slidingly connected from the hole that takes off post.Have gap on the rotating disk of location, two contacts of rotating disk path sensitive switch are disconnected.
Pull bar one end flexibly connects with the location rotating disk, and the other end is fixedlyed connected with ratchet, and it can be limited in ratchet in 90 ° of circular arc scopes that make valve closing and unlatching and rotate.
Working procedure of the present utility model is as follows:
When fire took place, the fuse sheet of valve actuator fus melted, and made the action of ratchet thorn claw positioning means, with valve closing.Control centre's remote control reset switch, make the motor action that resets, driven gear speed reduction gearing and location rotating disk, the pull bar pulling ratchet that connects on it is rotated counterclockwise, valve is opened automatically, and the gap of location rotating disk just in time disconnects rotating disk path sensitive switch, and the motor stall resets, valve is positioned at the opening state that resets, and at this moment can discharge poisonous high-temperature flue gas rapidly.
The utility model has the advantages that: owing to have the anxious reset motor function of opening, this valve actuator can be after fire suppression, and the remote control valve final controlling element resets immediately, drives valve open, discharge rapidly poisonous high-temperature flue gas, make control system safer, reliable, realize far distance automatic controlling.Be applicable to the suppression system in the fire protection engineering.
Below in conjunction with accompanying drawing the utility model is done more detailed description:
Description of drawings
Fig. 1 is the structural representation of the utility model starting state;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is a control circuit schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, casing is connected by screw by upper cover plate 2, dividing plate 4, with side plate 3 and surrounds, and divides inside and outside two spaces.
Dividing plate 4 surrounds a unlimited space outerpace with side plate 3, and generator shaft gear 10, gear reduction transmission device, disk gear 11, meltable chip fuse 1 are installed in this space.
Reset motor 9, location rotating disk 14, temperature sense path sensitive switch 7, rotating disk path sensitive switch 8, rotating disk position limit switch 12 is installed in the interior space of casing.
End axle small gear and disk gear on the gear reduction transmission device of final controlling element are meshed.The location have on the rotating disk 14 with holesly take off post 15, disk gear 11 is coaxial with location rotating disk 14, pull bar 13 passes from 15 holes that take off post and can slide therein, takes off post 15 can rotate with respect to locating rotating disk 14.One end of pull bar 13 and ratchet 16 flexibly connect, and can drive ratchet 16 rotations, and the other end is a not-go-end.The length of pull bar 13 should satisfy to take off post and 15 forwards in the sphere of activities apart from the ratchet farthest.Location rotating disk 14 periphery have rotating disk path sensitive switch 8 and rotating disk position limit switch 12, on two switches the contact is arranged all, the contact is positioned on the periphery of location rotating disk 14 circumference, the line of two switch contacts is by the axle center of location rotating disk 14, have gap on the rotating disk 14 of location, the contact of shape and rotating disk position limit switch 12 adapts, and when meet in the contact of gap and rotating disk position limit switch 12, switch disconnects.
Control circuit comprises power supply, three position limit switch L
1, L
2, L
3, electromagnet D, enable switch Q
A, reset switch F
A, temperature sense path sensitive switch 7, rotating disk path sensitive switch 8, the motor M that resets, capacitor C, have two contact J
1, J
2Coil.The first position limit switch L
1, the second position limit switch L
2, third trip switch (rotating disk position limit switch) L
3Parallel connection, they connect with the positive level of power supply respectively, form three branch roads.The first position limit switch L
1The other end two contacts are arranged, the first contact series electrical magnet, enable switch Q
ALink to each other with the negative level of power supply, second contact links to each other with the other end of third trip switch L3 and forms first contact.Capacitor C is connected between the negative pole of first contact and power supply.Temperature sense path sensitive switch K
1With rotating disk path sensitive switch K
2, from then on first contact picks out, and is in state in parallel, and they link to each other at second contact.Be in series with the contact switch J of reset motor M and coil between the negative level of second contact and power supply
2, go back the end of connecting coil J, reset switch F on second contact
AWith coil contact switch J
1Parallel connection, they are connected between the negative level of the other end of coil J and power supply.
The utility model motor dual control circuit of taking to reset, when the startup motor that resets, when valve actuator turns to reset mode, wherein one the tunnel press the rotating disk position limit switch and end, another road is because of the fusing of temperature sensor fuse sheet, fus presses temperature sense path sensitive switch also to be ended, the motor that resets outage, at this moment, (when temperature sense signal did not work, the motor that resets can turn to final controlling element and is in vacant state because the reducing gear moment amplification in the final controlling element, the answer moment of torsion that adds the extension spring generation can't overcome the stiction of driving mechanism, be not subjected to the influence of static friction power when it is started), and make valve be positioned reset mode.When removing temperature sense signal, temperature sense path is connected, and valve actuator is in normal working again.
Claims (4)
1. reset motor valve actuator, comprise the output shaft of casing, click positioning means, fus, electromagnet, position limit switch, connection ratchet, the output shaft pusher dog of drive valve switch, casing comprises and is fixed together and limits upper cover plate, dividing plate and the side plate of the space outerpace of an inner space and an opening, the output shaft pusher dog of fus, click positioning means, the output shaft that connects ratchet, drive valve switch is arranged at space outerpace, electromagnet and position limit switch are arranged in the inner space, it is characterized in that:
Be provided with the anxious reset motor mechanism that opens in the casing, this mechanism is by the motor connection gear speed reduction gearing that resets, be transferred to the location rotating disk again, one one end flexibly connects with the location rotating disk, the pull bar that the other end is fixedlyed connected with ratchet is limited in ratchet in 90 ° of circular arc scopes that make valve closing and unlatching and rotates;
Reset the unlatching of motor by far away from the control of the reset switch of control centre, the closing of the motor that resets by temperature sense path sensitive switch and the control of rotating disk path sensitive switch two-way, wherein, temperature sense path sensitive switch makes the motor that resets in fuse sheet fusing back outage; Rotating disk path sensitive switch cuts off the power supply the motor that resets behind valve opening.
2. the anxious reset motor valve actuator of opening function of band as claimed in claim 1, it is characterized in that: there is with holes taking off post described location on the rotating disk limit, and pull bar passes and locatees rotating disk and is slidingly connected from the hole that takes off post.
3. claim 1 or the anxious reset motor valve actuator of opening function of 2 described bands is characterized in that: have gap on the rotating disk of described location, two contacts of rotating disk path sensitive switch are disconnected.
4. the described band of claim 1 is suddenly opened the reset motor valve actuator of function, it is characterized in that: described gear reduction transmission device is Pyatyi gear reduction transmission, first gearwheel is meshed with gear on the motor, and the final stage small gear is meshed with disk gear on the turntable shaft of location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320102008 CN2651550Y (en) | 2003-10-31 | 2003-10-31 | Actuator of electric motor resetting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320102008 CN2651550Y (en) | 2003-10-31 | 2003-10-31 | Actuator of electric motor resetting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2651550Y true CN2651550Y (en) | 2004-10-27 |
Family
ID=34339921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320102008 Expired - Fee Related CN2651550Y (en) | 2003-10-31 | 2003-10-31 | Actuator of electric motor resetting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2651550Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830401B (en) * | 2010-05-14 | 2012-01-25 | 中国一冶集团有限公司 | Crane safety mechanism control system |
| CN104265970A (en) * | 2014-09-18 | 2015-01-07 | 宁波东灵水暖空调配件有限公司 | Full-automatic execution mechanism of fireproof valve |
| CN104265971A (en) * | 2014-09-18 | 2015-01-07 | 宁波东灵水暖空调配件有限公司 | Electric execution mechanism of fireproof valve |
-
2003
- 2003-10-31 CN CN 200320102008 patent/CN2651550Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830401B (en) * | 2010-05-14 | 2012-01-25 | 中国一冶集团有限公司 | Crane safety mechanism control system |
| CN104265970A (en) * | 2014-09-18 | 2015-01-07 | 宁波东灵水暖空调配件有限公司 | Full-automatic execution mechanism of fireproof valve |
| CN104265971A (en) * | 2014-09-18 | 2015-01-07 | 宁波东灵水暖空调配件有限公司 | Electric execution mechanism of fireproof valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |