CN2633345Y - Automatic reset type smoke-proof, fire-proof valve - Google Patents
Automatic reset type smoke-proof, fire-proof valve Download PDFInfo
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- CN2633345Y CN2633345Y CN 03256641 CN03256641U CN2633345Y CN 2633345 Y CN2633345 Y CN 2633345Y CN 03256641 CN03256641 CN 03256641 CN 03256641 U CN03256641 U CN 03256641U CN 2633345 Y CN2633345 Y CN 2633345Y
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- valve
- electromagnet
- hook
- fire
- proofing
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Abstract
An automatic reset type smoke-proof and fire-proof valve is provided with a universal shaft coupling clamp plate connecting a blade type valve body and an actuator. An unlock plate in a locking device is arranged on a mechanism main shaft, a temperature sensor is fixed on a base plate, and a reset mechanism comprises a DC micro motor, a gear reduction unit and a reset link. A DC electromagnet, the DC micro motor and a sensitive switch in an electric control circuit are connected with a terminal board and a cam switch through a heat resistance wire, wherein the DC electromagnet and the DC micro motor are respectively connected with an overvoltage protection diode. The valve carries out automatic shut-off and automatic reset to a full open position as well as interlocking actions of a ventilation air conditioning fan under the control of a control center, and the valve automatically shuts off after the temperature sensor acts. Additionally, the valve also enables manual opening and closing and can prevent damages caused by overvoltage, thereby effectively protecting electric elements. The utility model capable of controlling 1 m <2>valves is applicable to ventilation air conditioning and smoke prevention extraction systems in important buildings with good sealing performance, long service life, great bearing capacity and little leakage.
Description
Technical field
The utility model belongs to the Smoke proofing and fire proofing valving that a kind of building uses.
Background technology
In some important buildings, almost be equipped with automatic fire alarm system, need fire resisting damper be set at the response position of air conditioner and smoke control system.In use, fire resisting damper is often opened at ordinary times, when breaking out of fire, sends the signal of telecommunication by fire protection control center and makes executing agency action, and valve is closed automatically, or the heat detector action closes valve automatically, stops flue gas to spread.The output Coordinated Control Signal behind the fire, reopens fire resisting damper.Existing fire resisting damper technological deficiency: 1, close extension spring and be arranged on valve inner, maintenance and replacing spring must be pulled down valve from pipeline, very inconvenient.2, blade does not adopt elongated axle to reinforce, and rigidity is low, be subjected to blast and be heated after all yielding, the valve inleakage is big, fire resistance is poor, and is especially obvious for big specification valve.3, sharf adopts common iron to make, because fire resisting damper is in non-action state after installing for a long time, less than two trienniums, sharf gets rusty, and blade promptly can not be opened or be closed, and fire resisting damper performs practically no function.4, place, the operation slit of valve blade and blade shaft shoulder support does not have reliable seal approach, and the valve inleakage is big.5, the unlatching handle of executing agency and blade main shaft adopt plain screw fastening, and bearing capacity is low, cause valve opening, when closing, and the blade angle degree easily produces displacement.6, the inner hook of executing agency, back shaft adopt common iron to make, and the back executing agency of getting rusty is a cisco unity malfunction.7, in the actuating mechanism controls circuit, diode overvoltage protection loop is not set.The action of DC electromagnet, direct current micromotor finishes, and originally the coil of connecting with DC voltage disconnects suddenly, and the overvoltage that the induction of coil two ends produces will be destroyed and insulate and the adverse consequences of generation damage executing agency and control centre's electrical equipment.8, heat detector overcoat, heat detector axle all adopt common iron to make, and promptly get rusty after a period of time, and after the fuse sheet fusing, the heat detector axle promptly can not action message.
The utility model content
The utility model provides a kind of type Smoke proofing and fire proofing valve that automatically resets, and solution actuating mechanism controls circuit overvoltage is fragile, extension spring keeps in repair and it is inconvenient to change, the valve inleakage is big, fire resistance is poor, service life is short, seal approach is unreliable, bearing capacity is low, the blade angle degree easily produces the problem of displacement.
The automatically reset technical scheme of type Smoke proofing and fire proofing valve of the utility model: connect executing agency by the vane type valve body, the vane type valve body comprises housing, blade, sharf, axle sleeve, extension spring, there is locking device in executing agency, electric control circuit and resetting-mechanism, it is characterized in that: be connected the universal joint shaft clamp between vane type valve body and the executing agency, unlatching lockplate in the locking device is arranged on mechanism's main shaft, staple for strap end and Removable hook are sealed, moving iron core hook is arranged on the bolster of base, its end and DC electromagnet join, buckle end and Removable hook are sealed, one end of compression spring is arranged on the base, the other end pastes mutually with Removable hook, turriform compression spring housing is on DC electromagnet, one end pastes mutually with moving iron core hook, torsionspring one end is fixed on the base, the other end is fixed on to be opened on the lockplate, heat detector is fixed on the base, the projecting shaft of heat detector is blocked by the heat detector baffle plate, baffle plate is set at the extension spring tension on the DC electromagnet again, the other end of heat detector baffle plate is arranged on the base, manually pull hook is arranged on the base, the closely moving iron core hook of pull hook termination, opening handle is arranged on mechanism's main shaft, microswitch contacts with the switch baffle plate, and resetting-mechanism comprises direct-flow micromachine, mechanical reduction gear and restoring link;
DC electromagnet in the electric control circuit, direct current micromotor, microswitch connect terminal board and cam switch through heat-resisting wire, and DC electromagnet is connected with the overvoltage protection diode respectively with direct current micromotor.
Be equipped with U-shaped or dish type stainless steel elastic packing reed between above-mentioned blade and shaft shoulder support.
Above-mentioned sharf is the stainless steel blade axle, and axle sleeve is the brass axle sleeve.
Above-mentioned extension spring is arranged on the valve outside.
Between above-mentioned unlatching handle and the universal joint shaft clamp, be fastenedly connected by the recessed end holding screw of hexagonal in the high rigidity.
The connection clamp of going up of above-mentioned universal joint shaft clamp is arranged on the connecting axle, and following connection clamp is arranged on the stainless steel blade axle.
The advantage of this type Smoke proofing and fire proofing valve that automatically resets: 1, realize closing, automatically reset to fully open position automatically by the fire protection control center by-pass valve control.2, the output valve signal of closing, output reseting procedure signal when resetting.3, many deck valves door can realize moving simultaneously or connecting action.4, manually opened, close conveniently.5, to unload force rate big for mechanism design, has control 1m2 valve ability.6, DC electromagnet, direct current micromotor operating current only need 0.4A.7, because of using stainless steel blade axle, brass axle sleeve valve to have long-term service life, do not need multipurpose lubricant.8, the moving iron core of stainless steel is linked up with, the stainless steel back shaft because of using, the stainless steel Removable hook, and executing agency has long-term service life.9, because of using stainless steel elastic packing spring leaf valve to have excellent sealing ability.10, the valve closing extension spring is arranged on the valve outside, and convenient for maintaining is changed spring.11, sharf adopts elongated axle, has excellent sealing ability and fire resistance.12, heat detector overcoat, heat detector axle all adopt stainless steel to make, and heat detector has long-term service life.13, being provided with diode overvoltage protection loop in the electric control circuit can effectively protect executing agency, fire protection control center electrical equipment not to be damaged.14, because of being connected with valve body, executing agency adopt universal joint shaft clamp, valve blade to open, close flexible, fluent.15, because of the connecting axle of fastening unlatching handle of the recessed end holding screw of hexagonal and universal joint shaft clamp in the employing high rigidity, bearing capacity is big, valve blade unlatching, unshift when closing, and the blade opening angle is constant all the time.Be applicable to the corresponding site setting of the air conditioner and the smoke control system of important building.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the profile of A-A among Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the profile of B-B among Fig. 2;
Fig. 5 is the enlarged drawing of Fig. 1;
Fig. 6 is the electric control circuit schematic diagram;
Fig. 7 is the structural representation of executing agency;
Fig. 8 is the profile of C-C among Fig. 7;
Fig. 9 is the restoring link schematic diagram that mechanism of executing agency links to each other with resetting-mechanism;
Figure 10 is the resetting-mechanism structural representation;
Figure 11 is the profile of D-D among Figure 10.
As shown in Figure 1, 2: this type Smoke proofing and fire proofing valve body that automatically resets is closed baffle plate 9 and is formed by outside framework 1, blade 2, stainless steel blade axle 3, stainless steel elastic packing reed 4, brass axle sleeve 5, blade clamping plate 6, blade reinforcement axle 7, linkage 8, blade.The recessed end holding screw 13 of hexagonal will be opened handle and be fastened on above 12 of the universal joint shaft clamps in the high rigidity.Heat detector 14 is arranged on valve inner.Executing agency 11 is connected employing universal joint shaft clamp 12 with valve body.
As shown in Figure 3: valve closing extension spring 10 is arranged on the valve outside.
As shown in Figure 4, sharf 3 is stainless steel blade axles, is equipped with U-shaped or basin shape stainless steel elastic packing reed 4 between blade and shaft shoulder support, and the flat end of stainless steel elastic packing reed withstands on the shaft shoulder bracket base, and cambered top end is against blade edge portion.Axle sleeve 5 is brass axle sleeves.
As shown in Figure 5: the connection clamp 40 of going up of universal joint shaft clamp is arranged on the connecting axle 41, and following connection clamp 42 is arranged on the stainless steel blade axle 3.
As shown in Figure 6: electric controling line route DC electromagnet 15, direct current micromotor 16, diode 17, microswitch 18-1,18-2, heat-resisting wire 19, terminal board 20, cam switch 21 are formed.
Shown in Fig. 7,8: executing agency partly comprises locking action mechanism 22 and resetting-mechanism 23.Comprise DC electromagnet 15 in the locking action mechanism, be located at heat detector 14, microswitch 18-1 on the valve.Locking device comprises opens lockplate 24, Removable hook 25, moving iron core hook 26, compression spring 27, turriform compression spring 28, torsionspring 29.Unlatching lockplate 24 in the locking device is arranged on mechanism's main shaft 30, staple for strap end and Removable hook 25 are sealed, moving iron core hook 26 is arranged on the bolster of base 31, its end and DC electromagnet 15 join, buckle end and Removable hook 25 are sealed, one end of compression spring 27 is arranged on the base 31, and the other end pastes mutually with Removable hook 25.Turriform compression spring 28 is enclosed within on the DC electromagnet 15, and an end pastes mutually with moving iron core hook 26, and torsionspring 29 1 ends are fixed on the base 31, and the other end is fixed on to be opened on the lockplate 24.Heat detector 14 is fixed on the base 31, and the projecting shaft of heat detector 14 is blocked by heat detector baffle plate 32, and baffle plate 32 is set at extension spring 33 tensions on the DC electromagnet 15 again.The other end of heat detector baffle plate is arranged on the base 31.Manually pull hook 34 is arranged on the base 31, and the closely moving iron core hook 26 of pull hook termination is opened handle 35 and set up an organization on the main shaft 30, microswitch 18-1 be installed on the base 31 be installed in unlatching lockplate 24 on switch baffle plate 36 contact.
Shown in Fig. 9,10,11: resetting-mechanism comprises mechanical reduction gear 37, the restoring link 38 that direct current micromotor 16 is connected with direct current micromotor, one end of restoring link 38 links to each other with the final stage gear 39 of speed change gear, the other end links to each other with crank on the mechanism main shaft 30, cam switch 21 is installed on the axle of final stage gear 39, and microswitch 18-2 contacts with cam switch 21.
The course of work:
One, valve opening action: 1, manually opened valve, the staff promotes to open handle and rotates counterclockwise, and the Open valve blade is to fully open position.2, the electric opening valve, fire protection control center sends the signal of telecommunication (DC24V) and 4. and 2. imports direct current micromotor by binding post, drag restoring link by mechanical reduction gear, the action of lead agency spindle axis counterclockwise, be arranged on the unlatching lockplate on mechanism's main shaft, promote the swing of Removable hook and moving iron core hook, after the valve blade is opened into fully open position, under compression spring and the effect of turriform spring force, open lockplate, Removable hook, moving iron core hook is mutually locked, and direct current micromotor works under the cam switch effect, returns to the home position until restoring link, under the cam switch effect, direct current micromotor quits work.In the electronic reseting procedure, 2., 3. binding post exports the reseting procedure signal.After the electronic end that resets, 6. binding post exports series connection homing action signal.Reseting procedure finishes, and when the direct current micromotor outage quit work, the diode discharge loop in the circuit made the stored energy consumption of direct current micromotor inductance in the resistance of self.
Two, valve closing action: 1, electronic valve-off, when fire protection control center sends the signal of telecommunication (DC24V) by 1. and 2. input dc power magnet of binding post, DC electromagnet moves the iron core adhesive, affect moving iron core hook to throw off with Removable hook, executing agency's main shaft is opened lockplate and Removable hook disengagement under the effect of valve main shaft spring force, and valve is closed rapidly clockwise.2, heat detector action valve-off, when air-flow reached controlled temperature in the pipeline when fire took place, fuse sheet fusing on the heat detector, the heat detector main shaft is thrown off with the heat detector baffle plate, under the extension spring effect to bottom offset, the moving iron core hook of heat detector baffle plate promotion rotates counterclockwise with Removable hook throws off, under the effect of valve main shaft spring force, lockplate opened by mechanism's main shaft and Removable hook is thrown off, and valve is closed rapidly clockwise.3, valve-off manually, when the staff pulled the key circle, manually pull hook drove moving iron core hook and throws off with Removable hook, and under the effect of valve main shaft spring force, mechanism's main shaft is opened lockplate and Removable hook disengagement, and valve is closed rapidly clockwise.7., 8. binding post exports interlock control signal behind the valve closing, 5. binding post exports series connection closing motion signal, when the DC electromagnet outage quit work, the diode discharge loop in the circuit made the stored energy consumption of DC electromagnet inductance in the resistance of self.
Three, the valve breakdown action that automatically resets: fire protection control center sends the signal of telecommunication (DC24V) and 4. and 2. imports direct current micromotor by binding post, drag restoring link by mechanical reduction gear, the action of lead agency spindle axis counterclockwise, the unlatching lockplate that is arranged on mechanism's main shaft promotes Removable hook and the swing of moving iron core hook, after the valve blade is opened into fully open position, under compression spring and the effect of turriform spring force, open lockplate, Removable hook, moving iron core hook is mutually locked, direct current micromotor works under the cam switch effect, return to the home position until restoring link, under the cam switch effect, direct current micromotor quits work.In the electronic reseting procedure, 2., 3. binding post exports the reseting procedure signal.After the electronic end that resets, 6. binding post exports series connection homing action signal.Reseting procedure finishes, and when the direct current micromotor outage quit work, the diode discharge loop in the circuit made the stored energy consumption of direct current micromotor inductance in the resistance of self.
Claims (6)
1. type Smoke proofing and fire proofing valve that automatically resets, connect executing agency by the vane type valve body, the vane type valve body comprises housing, blade, sharf, axle sleeve, extension spring, there is locking device in executing agency, electric control circuit and resetting-mechanism, it is characterized in that: be connected the universal joint shaft clamp between vane type valve body and the executing agency, unlatching lockplate in the locking device is arranged on mechanism's main shaft, staple for strap end and Removable hook are sealed, moving iron core hook is arranged on the bolster of base, its end and DC electromagnet join, buckle end and Removable hook are sealed, one end of compression spring is arranged on the base, the other end pastes mutually with Removable hook, turriform compression spring housing is on DC electromagnet, one end pastes mutually with moving iron core hook, torsionspring one end is fixed on the base, the other end is fixed on to be opened on the lockplate, heat detector is fixed on the base, the projecting shaft of heat detector is blocked by the heat detector baffle plate, baffle plate is set at the extension spring tension on the DC electromagnet again, the other end of heat detector baffle plate is arranged on the base, manually pull hook is arranged on the base, the closely moving iron core hook of pull hook termination, opening handle is arranged on mechanism's main shaft, microswitch contacts with the switch baffle plate, and resetting-mechanism comprises direct-flow micromachine, mechanical reduction gear and restoring link;
DC electromagnet in the electric control circuit, direct current micromotor, microswitch connect terminal board and cam switch through heat-resisting wire, and DC electromagnet is connected with the overvoltage protection diode respectively with direct current micromotor.
2, the type Smoke proofing and fire proofing valve that automatically resets according to claim 1 is characterized in that: be equipped with U-shaped or dish type stainless steel elastic packing reed between described blade and shaft shoulder support.
3, the type Smoke proofing and fire proofing valve that automatically resets according to claim 1, it is characterized in that: described sharf is the stainless steel blade axle, axle sleeve is the brass axle sleeve.
4, the type Smoke proofing and fire proofing valve that automatically resets according to claim 1 is characterized in that: described extension spring is arranged on the valve outside.
5, the type Smoke proofing and fire proofing valve that automatically resets according to claim 1 is characterized in that: between described unlatching handle and the universal joint shaft clamp, be fastenedly connected by the recessed end holding screw of hexagonal in the high rigidity.
6, the type Smoke proofing and fire proofing valve that automatically resets according to claim 1 is characterized in that: the connection clamp of going up of described universal joint shaft clamp is arranged on the connecting axle, and following connection clamp is arranged on the stainless steel blade axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256641 CN2633345Y (en) | 2003-04-30 | 2003-04-30 | Automatic reset type smoke-proof, fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256641 CN2633345Y (en) | 2003-04-30 | 2003-04-30 | Automatic reset type smoke-proof, fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2633345Y true CN2633345Y (en) | 2004-08-18 |
Family
ID=34295455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03256641 Expired - Fee Related CN2633345Y (en) | 2003-04-30 | 2003-04-30 | Automatic reset type smoke-proof, fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2633345Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679290A (en) * | 2018-07-07 | 2018-10-19 | 辽东学院 | A kind of Water driving valve door controller |
-
2003
- 2003-04-30 CN CN 03256641 patent/CN2633345Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679290A (en) * | 2018-07-07 | 2018-10-19 | 辽东学院 | A kind of Water driving valve door controller |
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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 |