CN109064700B - Electrical fire alarm - Google Patents
Electrical fire alarm Download PDFInfo
- Publication number
- CN109064700B CN109064700B CN201810980596.4A CN201810980596A CN109064700B CN 109064700 B CN109064700 B CN 109064700B CN 201810980596 A CN201810980596 A CN 201810980596A CN 109064700 B CN109064700 B CN 109064700B
- Authority
- CN
- China
- Prior art keywords
- piston rod
- rod
- shell
- push rod
- hole
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 claims abstract description 44
- 239000000428 dust Substances 0.000 claims description 20
- 239000000779 smoke Substances 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000005488 sandblasting Methods 0.000 abstract description 3
- 239000011324 bead Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000000981 bystander Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/04—Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure
Abstract
The invention discloses an electric fire alarm, which comprises a shell, wherein an electric touch switch is arranged in an inner cavity of the shell and drives a piston rod, the piston rod penetrates through the shell, a support bracket is arranged outside the shell and corresponds to the piston rod, a through hole is arranged on the support bracket and corresponds to the piston rod, a temperature sensing glass rod perpendicular to the piston rod is arranged on the support bracket, the piston rod penetrates through the through hole to prop against the temperature sensing glass rod, the temperature sensing glass rod explodes at a preset temperature, the piston rod moves, so that the electric touch switch is started, other circuits are started or closed by the electric touch switch, and then the operations such as door closing, ventilation, smoke discharging or sand blasting are performed.
Description
Technical Field
The invention relates to an alarm, in particular to an electric fire alarm.
Background
With the increase of modern household fire and electricity consumption, the frequency of household fire occurrence is higher and higher. Once a household fire happens, adverse factors such as untimely extinguishing, lack of fire extinguishing equipment, panic and overwhelming of the bystanders, slow escape and the like easily occur, and finally, serious life and property losses are caused. Discussing the characteristics of household fire and the fireproof countermeasures, and has practical significance for preventing household fire and reducing fire loss.
In existing fire alarm devices, such electrical fire detection is achieved by:
1. the temperature sensitive glass beads are filled with liquid and break when the temperature reaches a certain threshold given by the boiling temperature of the liquid, which is called a heat fragile bulb or a heat bulb.
2. The metal fittings welded together with alloys are used, the breaking point of which is determined by the temperature at which they break, these components being called fuse links.
These solutions have existed for decades and all use the same technology: the device pushes the glass beads longitudinally on the glass beads or pulls the glass beads longitudinally on the safety fuse. The action of breaking the fuse or glass bead is operated by a lever, rod or cable transfer system, an electrical switch that switches one or more electromagnets off or on, a contactor coil, an alarm, etc. This way of use stems from its use in mechanically controlled door opening, sprinklers, ventilation damper smoke evacuation devices, which require significant driving forces of up to hundreds of newtons.
Disclosure of Invention
The invention overcomes the defects in the prior art, and provides the electric fire alarm which reduces the equipment size, simplifies mechanical parts, greatly improves the sealing performance of the equipment and is simple to maintain.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the electric fire alarm comprises a shell, wherein an electric touch switch is arranged in an inner cavity of the shell and drives a piston rod, the piston rod penetrates through the shell, a support bracket is arranged outside the shell and corresponds to the piston rod, a through hole is formed in the support bracket and corresponds to the piston rod, a temperature sensing glass rod perpendicular to the piston rod is arranged on the support bracket, and the piston rod penetrates through the through hole to prop against the temperature sensing glass rod.
Further, the support bracket is of a -shaped structure and comprises an upper plate and a lower plate, one sides of the upper plate and the lower plate are connected through a vertical plate, the lower plate is provided with a bottom bracket, the upper plate is provided with an oval through hole, and the upper part of the oval through hole corresponds to the bottom bracket and is provided with a half cap body.
Further, the shell is provided with a rectangular fixing piece at the passing position of the piston rod, and the through hole is correspondingly square.
Further, the rectangular fixing piece is provided with a fixing protrusion in a direction away from the shell, the fixing protrusion comprises an external thread section and an extension section, the extension section is sleeved with the corrugated pipe, and the support bracket is fixed to the shell through a round nut.
Further, the electric touch switch is provided with a loop bar at one side far away from the temperature-sensing glass rod, the loop bar is sleeved with a horizontal spring, the inner cavity is provided with a fixed frame, and the horizontal spring is abutted to the fixed frame.
Further, the electric touch switch is provided with a push rod corresponding to the piston rod, a moving part perpendicular to the push rod and the piston rod is arranged between the push rod and the piston rod, a rotating block is hinged in the moving part, the push rod pushes the rotating block to rotate, one side, away from the push rod, of the rotating block is propped against the piston rod, a vertical spring is arranged between the lower part of the moving part and the shell, the upper part of the moving part is pushed by the push rod to move downwards, and a concave position is arranged on the upper part of the rotating block corresponding to the push rod.
Further, the moving part is a frame body, the rotating block is hinged to the frame body through a hinge shaft, an upper connecting rod and a lower connecting rod are respectively arranged on the upper portion and the lower portion of the frame body, a supporting frame is arranged in an inner cavity of the shell, the upper connecting rod penetrates through a supporting through hole of the supporting frame, and the lower connecting rod is sleeved with the vertical spring.
Further, the upper part of the shell is also provided with a dust cover, and the dust cover is provided with a through hole corresponding to the push rod.
Further, the dust cover is provided with a fixing hole for fixing the push rod.
Further, the dust cover is provided with an indicator lamp connected with the electric touch switch.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses an electric fire alarm, which comprises a shell, wherein an electric touch switch is arranged in an inner cavity of the shell and drives a piston rod, the piston rod penetrates through the shell, a support bracket is arranged outside the shell and corresponds to the piston rod, the support bracket is provided with a through hole corresponding to the piston rod, the support bracket is provided with a temperature-sensing glass rod perpendicular to the piston rod, the temperature-sensing glass rod explodes at a preset temperature, the piston rod moves, and thus the electric touch switch is started, other circuits are started or closed by the electric touch switch, and then the operations such as door closing, ventilation, smoke discharging or sand blasting are performed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, in which:
FIG. 1 is a schematic view of a temperature-sensitive glass rod in a vertical state;
FIG. 2 is a schematic view of a structure in which a temperature-sensitive glass rod is in a horizontal state;
FIG. 3 is an exploded view of an electrical fire alarm device according to the present invention;
FIG. 4 is a top view of an electrical fire alarm of the present invention;
FIG. 5 is a cross-sectional view taken along A-A of FIG. 4;
FIG. 6 is a normal state diagram of an electrical fire alarm according to the present invention;
FIG. 7 is a state diagram after bursting of the temperature-sensitive glass rod;
fig. 8 shows the moving member being moved downward by the push rod.
In the figure, 1-a housing; 2-a dust cap;
3-cover screw; 4, a sealing ring;
5-an electrical switch set screw; 6-an electrical touch switch;
7, a piston rod; 8-a support bracket;
9-a through hole; 10-a temperature-sensitive glass rod;
11-packaging shell; 12-loop bar;
13—a horizontal spring; 14—a fixed frame;
15-cable joint; 16—a joint nut;
17-upper plate; 18—lower plate;
19—a riser; 20-a shoe;
21-oval through holes; 22-half cap;
23—rectangular fixing piece; 24-fixing protrusions;
25-an external thread segment; 26—an extension;
27—bellows; 28-a nut;
29-binding post; 30—a current shunt;
31—bottom screw; 32-foot rest;
33—screw holes; 34—a push rod;
35—a moving member; 36—a rotating block;
37-vertical spring; 38—a push rod;
39-a concave position; 40-perforation;
41-a fixing hole; 42-indicator light;
43-frame; 44—a hinge shaft;
45—upper connecting rod; 46—lower connecting rod;
47-a support frame; 48-support through holes;
49-hole site; 50-locking;
51—a protective cover; 52-tool.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
As shown in fig. 1 to 8, the electric fire alarm device of the invention comprises a housing 1, a dust cover 2 is arranged at the upper part of the housing 1, the dust cover 2 and the housing 1 are fixed through a cover screw 3, a sealing ring 4 is arranged between the dust cover 2 and the housing 1, an electric touch switch 6 is fixed in an inner cavity of the housing 1 through an electric switch fixing screw 5 and a protective cover 51, the electric touch switch 6 drives a piston rod 7, the piston rod 7 passes through the housing 1, a support bracket 8 is arranged outside the housing 1 corresponding to the piston rod 7, a through hole 9 is arranged in the support bracket 8 corresponding to the piston rod 7, a temperature sensing glass rod 10 vertical to the piston rod 7 is arranged on the support bracket 8, the piston rod 7 passes through the through hole 9 and props against the temperature sensing glass rod 10, the temperature sensing glass rod 10 can be horizontally or vertically installed, the support bracket 8 and the temperature sensing glass rod 10 are protected by a packaging shell 11 during packaging, a sleeve rod 12 is arranged on one side far away from the temperature sensing glass rod 10, a horizontal spring 13 is sleeved on the sleeve rod 12, a fixing frame 14 is arranged in the inner cavity, the electric switch fixing screw 5 and the protective cover 51 is fixedly connected with the fixing frame 14, the horizontal spring 13 is abutted against the fixing frame 14, the fixing frame 1 is arranged corresponding to the electric switch 6, a cable joint 15 is arranged on the housing 1, and a cable joint 15 is connected with a terminal post terminal 29 through the cable joint 29.
The temperature-sensing glass rod 10 is a glass bead filled with liquid, which explodes at a preset temperature, the piston rod 7 moves, and the electric trigger switch 6 is started, so that only a small operating force (less than 10 newtons) is needed, the size of the system can be reduced, mechanical parts can be simplified, the tightness of the equipment is greatly improved, the maintenance is simple, and the time for mandatory annual inspection is greatly reduced.
The support bracket 8 is in a -shaped structure, the -shaped structure enables the support bracket to be easier to contact with air flow, the support bracket comprises an upper plate 17 and a lower plate 18, one sides of the upper plate 17 and the lower plate 18 are connected through a vertical plate 19, a through hole 9 is formed in the vertical plate 19, a bottom bracket 20 is arranged on the lower plate 18 and used for protecting the temperature sensing glass rod 10 from external impact, an elliptical through hole 21 is formed in the upper plate 17, a half cap body 22 is arranged above the elliptical through hole 21 corresponding to the bottom bracket 20, the temperature sensing glass rod 10 can be obliquely placed in the elliptical through hole 21, the temperature sensing glass rod 10 is fixed through the half cap body 22 and the bottom bracket 20, only 3-5N is needed, the temperature sensing glass rod 10 can be manually and quickly placed in and removed without tools, meanwhile, as long as the lateral thrust of the piston rod 7 is effective, the piston rod 7 is kept in a blocked state, a hole position 49, the hole position 49 and the elliptical through hole 21 are fixed and a lock catch 50 are formed in the upper part of the support bracket 8, so that other people are prevented from being killed or being damaged by a trained technician to test and install or not correctly or install or understand the temperature sensing glass rod 10 in a proper condition or an appropriate electrical condition.
The shell 1 is provided with a rectangular fixing piece 23 at the passing position of the piston rod 7, the through hole 9 is correspondingly provided with a rectangular hole, the through hole 9 is fixed on the rectangular fixing piece 23, the rectangular fixing piece 23 is provided with a fixing protrusion 24 in the direction away from the shell 1, the fixing protrusion 24 comprises an external thread section 25 and an extension section 26, the extension section 26 is sheathed with a corrugated tube 27 for sealing, the support bracket 8 is fixed on the shell 1 through a nut 28, and the nut 28 is disassembled and assembled through a special tool 52.
When the explosion temperature of the temperature-sensing glass rod 10 is reached, the temperature-sensing glass rod 10 explodes, the piston rod 7 moves, the electric touch switch 6 is started, the electric touch switch 6 is connected with the binding post 29, and the binding post 29 is provided with the current diverter 30, so that the door closing, ventilation, smoke discharging or sand blasting operation can be performed.
The foot rest 32 is fixed by the screw 31 at the bottom of the shell 1, and the foot rest 32 is provided with two screw holes 33, so that the foot rest 32 is not exposed out of the shell 1, and can be placed at the bottom of the shell 1 or exposed out of the shell 1.
The electric touch switch 6 is provided with a push rod 34 corresponding to the piston rod 7, a moving part 35 perpendicular to the push rod 34 and the piston rod 7 is arranged between the push rod 34 and the piston rod 7, a rotating block 36 is hinged in the moving part 35, the push rod 34 pushes the rotating block 36 to rotate, one side of the rotating block 36 away from the push rod 34 is propped against the piston rod 7, the side surface of the rotating block 36 is a vertical plane, a vertical spring 37 is arranged between the moving part 35 and the shell 1, the moving part 35 moves downwards through pushing of a push rod 38, a concave position 39 is arranged at the upper part of the rotating block 36 corresponding to the push rod 34, the dust cover 2 is provided with a perforation 40 and a fixing hole 41 for fixedly placing the push rod 38, when the push rod 38 is not used, the push rod 38 can be placed in the fixing hole 41, the dust cover 2 is provided with an indicator lamp 42 connected with the electric touch switch 6, and the part is used for periodically testing whether the electric touch switch 6 works normally.
Wherein, moving member 35 is framework 43, and the pivoted piece 36 articulates in framework 43 through articulated shaft 44, and framework 43 upper portion and lower part are equipped with upper portion connecting rod 45 and lower part connecting rod 46 respectively, and the inner chamber of shell 1 is equipped with support frame 47, and upper portion connecting rod 45 passes the support through-hole 48 of support frame 47, and vertical spring 37 is cup jointed to lower part connecting rod 46.
Referring to fig. 4, in this illustrated state, the temperature-sensing glass rod 10 is not damaged, it abuts against the piston rod 7, the piston rod 7 abuts against the rotating block 36, the rotating block 36 abuts against the jack 34, and the electrical trigger switch 6 connected to the jack 34 is connected in a closed or open state.
Referring to fig. 5, in this illustrated state, the temperature sensing glass rod 10 is damaged, the horizontal spring 13 drives the push rod 34 to move rightward, the rotation block 36 rotates rightward along the hinge shaft 44, and the piston rod 7 moves rightward in the case where the temperature sensing glass rod 10 cannot be blocked.
Referring to fig. 6, in this illustrated state, the temperature sensing glass rod 10 is not damaged, and it abuts against the piston rod 7, in order to test that the operation of the electric tactile switch 6 cannot be normal, the push rod 38 is used to press down the reset switch through the through hole 40, the moving block is also moved down together, since the upper portion of the rotating block 36 is provided with the concave position 39 corresponding to the push rod 34, if the operation of the electric tactile switch 6 is normal, the right end of the push rod 34 is moved into the concave position 39, and the indication lamp 42 is turned on.
1. Mounting
At the time of installation, the dust cap 2 is removed, and if painting or other work is planned indoors before commissioning, the dust cap 2 must be placed on the alarm after installation until these operations are completed.
The location where the device is placed, or on a wall or on a ceiling, is selected where the air circulates naturally.
The housing 1 is placed so that the temperature sensing portion is in a horizontal position (one side of the temperature sensing glass rod 10 is parallel to the ground).
The sensitive components of the device are typically already properly oriented for wall or ceiling mounting at the time of shipment.
2. The position of the support bracket 8 can be modified by the 90 ° operating program:
1) The temperature-sensitive glass rod 10 is taken down, and the round nut 28 is loosened by about 1.5mm by using the tool 52;
2) Pulling the support bracket 8 to be taken out of the rectangular fixing piece 23;
3) Rotate it by 90 ° and push it back into its recess;
4) Tightening the round nut 28;
5) The temperature sensitive glass rod 10 is replaced.
6) If necessary, a red plastic lock 50 provided exclusively for this purpose is placed on the support bracket 8.
3. Installation and electrical connection
The alarm is fixed to a wall or ceiling with 4 screws. This may use a stencil of holes printed on the package. The nail gun is not used for this operation.
Opening the dust cap 2, after passing the cable through the cable connector 15, the connection is made according to the selected diagram.
Checking if the intensity in your circuit corresponds to the value given on the lid label.
If the device has an indicator light 42, it is checked whether its supply voltage meets the specifications of the cover label.
If current splitters 30 are required, they are released from their slots and mounted in the position shown in the connection diagram. Preferably, the unused current shunt 30 is unwound and discarded.
The wires used must be stripped from 6mm to 7mm and inserted completely under the square washers of the terminals of the electric tact switch 6. Each terminal can accommodate at most 0.5 to 2.5mm 2 Is provided.
Tightening the screw with a suitable screwdriver, with a recommended torque of 50n.cm.
The cable fitting 15 on the cable is screwed down until a sealed condition is reached.
Cover the dust cap 2. The tightening torque of the cap screw 3 for tightening the dust cap 2 is suggested to be 120n.cm
If necessary, the seals are placed on the dust caps 2 (10 contained in the package).
5. The heat sensitive element is replaced (if an unexpected trip should occur, this repair operation should be performed, and if local standards require it, maintenance should be performed periodically).
If the mechanical device has a latch 50, it is cut.
Pushing the temperature sensitive glass rod 10 from the middle towards the half cap 22.
When pushing it, slide it upwards and remove it. ( Note that: when the temperature-sensing glass rod 10 is taken out from the supporting bracket 8, the equipment enters an alarm state )
Processing in the opposite direction, replacing it with a new identical temperature-sensitive glass rod 10.
During this process, care is taken not to damage the silicone bellows 27.
If necessary, a sealing strip is placed in the rectangular hole of the support bracket 8.
-performing a performance test of the electrical switch.
Operation testing of the 5-electrical switch (in the event of an accidental trip, this maintenance operation should be performed and after replacement or disassembly of the thermosensitive element, and maintenance should be performed regularly according to the requirements of the local standard).
Releasing the red push rod 38 attached to the side fixing hole 41 of the plastic housing 1.
It is inserted into the red perforation 40 on the dust cap 2 and pushed in completely, and then the system must be in the same contact position as if the thermal element had tripped.
The push rod 38 is removed and the system must return to its original position and end the alarm.
The push rod 38 is put back into its fixing hole 41.
Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it should be understood that the invention is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. An electric fire alarm comprises a shell, and is characterized in that an electric touch switch is arranged in an inner cavity of the shell and drives a piston rod, the piston rod penetrates through the shell, a support bracket is arranged outside the shell and corresponds to the piston rod, a through hole is arranged in the support bracket and corresponds to the piston rod, a temperature sensing glass rod perpendicular to the piston rod is arranged on the support bracket, and the piston rod penetrates through the through hole to prop against the temperature sensing glass rod;
the electric touch switch is provided with a push rod corresponding to the piston rod, a moving part perpendicular to the push rod and the piston rod is arranged between the push rod and the piston rod, a rotating block is hinged in the moving part, the push rod pushes the rotating block to rotate, one side of the rotating block, which is far away from the push rod, pushes against the piston rod, a vertical spring is arranged between the lower part of the moving part and the shell, the upper part of the moving part is pushed by the push rod to move downwards, and the upper part of the rotating block is provided with a concave position corresponding to the push rod;
the movable part is a frame body, the rotating block is hinged to the frame body through a hinge shaft, an upper connecting rod and a lower connecting rod are respectively arranged at the upper part and the lower part of the frame body, a supporting frame is arranged in an inner cavity of the shell, the upper connecting rod penetrates through a supporting through hole of the supporting frame, and the lower connecting rod is sleeved with the vertical spring;
a dust cover is further arranged on the upper portion of the shell, and a perforation is arranged on the dust cover corresponding to the push rod;
the dust cover is provided with a fixing hole for fixing the push rod;
the dustproof cover is provided with an indicator lamp connected with the electric touch switch.
2. An electrical fire alarm device according to claim 1, wherein the support bracket is of a structure and comprises an upper plate and a lower plate, one sides of the upper plate and the lower plate are connected through a vertical plate, the lower plate is provided with a bottom bracket, the upper plate is provided with an oval through hole, and a half cap body is arranged above the oval through hole corresponding to the bottom bracket.
3. An electric fire alarm as claimed in claim 1, wherein the housing is provided with rectangular fixing members at the passing positions of the piston rods, and the through holes are provided with square shapes correspondingly.
4. An electrical fire alarm unit according to claim 3 wherein the rectangular securing member is provided with a securing protrusion in a direction away from the housing, the securing protrusion comprising an externally threaded section and an extension section, the extension section being socket-fitted over the bellows, the support bracket being secured to the housing by a circular nut.
5. An electrical fire alarm according to claim 1 wherein the electrical tact switch is provided with a loop bar on a side remote from the temperature-sensitive glass rod, the loop bar is sleeved with a horizontal spring, the inner cavity is provided with a fixing frame, and the horizontal spring is abutted against the fixing frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980596.4A CN109064700B (en) | 2018-08-27 | 2018-08-27 | Electrical fire alarm |
| FR1904949A FR3085226B1 (en) | 2018-08-27 | 2019-05-13 | ELECTRIC FIRE ALARM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980596.4A CN109064700B (en) | 2018-08-27 | 2018-08-27 | Electrical fire alarm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109064700A CN109064700A (en) | 2018-12-21 |
| CN109064700B true CN109064700B (en) | 2024-04-02 |
Family
ID=64757147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810980596.4A Active CN109064700B (en) | 2018-08-27 | 2018-08-27 | Electrical fire alarm |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109064700B (en) |
| FR (1) | FR3085226B1 (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1094944A (en) * | 1966-09-29 | 1967-12-13 | Stevens Mfg Co Inc | Improvements in or relating to fire detecting thermal electric switches |
| CN1420517A (en) * | 2001-11-16 | 2003-05-28 | 科硕电控有限公司 | Switch of wafer boling device, e.g. kettle |
| JP2007159917A (en) * | 2005-12-15 | 2007-06-28 | Morita Corp | Fire extinguisher |
| CN201038067Y (en) * | 2006-12-31 | 2008-03-19 | 保定天威集团有限公司 | Performance stable fire detector |
| CN102262963A (en) * | 2010-05-26 | 2011-11-30 | 洛克威尔自动控制股份有限公司 | Safety switch |
| EP2843680A2 (en) * | 2013-08-07 | 2015-03-04 | Thermik Gerätebau GmbH | Temperature-dependent switch |
| KR101783578B1 (en) * | 2016-12-27 | 2017-09-29 | 신동운 | Fire detector check device |
| CN206535024U (en) * | 2017-03-01 | 2017-10-03 | 佛山市高明毅力温控器有限公司 | A kind of Novel fireproof detection device |
| CN208819334U (en) * | 2018-08-27 | 2019-05-03 | 佛山市高明毅力温控器有限公司 | A kind of electric fire alarm |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7154402B2 (en) * | 2004-01-29 | 2006-12-26 | Michael Dayoub | Power strip with smoke detection auto-shutoff |
-
2018
- 2018-08-27 CN CN201810980596.4A patent/CN109064700B/en active Active
-
2019
- 2019-05-13 FR FR1904949A patent/FR3085226B1/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1094944A (en) * | 1966-09-29 | 1967-12-13 | Stevens Mfg Co Inc | Improvements in or relating to fire detecting thermal electric switches |
| CN1420517A (en) * | 2001-11-16 | 2003-05-28 | 科硕电控有限公司 | Switch of wafer boling device, e.g. kettle |
| JP2007159917A (en) * | 2005-12-15 | 2007-06-28 | Morita Corp | Fire extinguisher |
| CN201038067Y (en) * | 2006-12-31 | 2008-03-19 | 保定天威集团有限公司 | Performance stable fire detector |
| CN102262963A (en) * | 2010-05-26 | 2011-11-30 | 洛克威尔自动控制股份有限公司 | Safety switch |
| EP2843680A2 (en) * | 2013-08-07 | 2015-03-04 | Thermik Gerätebau GmbH | Temperature-dependent switch |
| KR101783578B1 (en) * | 2016-12-27 | 2017-09-29 | 신동운 | Fire detector check device |
| CN206535024U (en) * | 2017-03-01 | 2017-10-03 | 佛山市高明毅力温控器有限公司 | A kind of Novel fireproof detection device |
| CN208819334U (en) * | 2018-08-27 | 2019-05-03 | 佛山市高明毅力温控器有限公司 | A kind of electric fire alarm |
Non-Patent Citations (1)
| Title |
|---|
| 形状记忆合金控制的圆筒式磁流变液无级传动;麻建坐;魏书华;钟莉蓉;;中国机械工程;20130310(第05期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109064700A (en) | 2018-12-21 |
| FR3085226B1 (en) | 2021-08-06 |
| FR3085226A1 (en) | 2020-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109003411B (en) | Fireproof detection alarm | |
| US8228206B2 (en) | Explosion indicator for explosion-proof enclosures | |
| US11682887B2 (en) | Enclosure arrangements; components; and methods | |
| KR102323963B1 (en) | Electric power supply panels having fire extinguisher | |
| US20220168603A1 (en) | Compact cooling and extinguishing system | |
| CN109064700B (en) | Electrical fire alarm | |
| CN205303978U (en) | Block terminal that possesses electric work ability of putting out a fire and autotomy | |
| CN110755768A (en) | High-sealing mechanism applied to box/cover | |
| US3354282A (en) | Thermal fuse with capillary action | |
| KR101522299B1 (en) | A fire damper | |
| US4321575A (en) | Fuse cut-out recloser apparatus | |
| CN208834455U (en) | A kind of fire prevention detecting alarm | |
| CN208819334U (en) | A kind of electric fire alarm | |
| KR20040098747A (en) | A automatic extinguishing system of a fire extinguisher | |
| WO2021139111A1 (en) | Gas density monitoring apparatus | |
| CN219106879U (en) | Fireproof and explosion-proof type high-voltage switch cabinet | |
| CN216598687U (en) | Low-voltage switch cabinet capable of safely using electricity | |
| US3471816A (en) | Loadbreak fuseholder | |
| US1940203A (en) | Electric cut-out | |
| CN209709454U (en) | A kind of troubleshooting equipment of distribution box | |
| CN220022023U (en) | Explosion-proof isolating switch device | |
| KR200245871Y1 (en) | Automatic Fire Extinguisher for Gas Range | |
| CN218918772U (en) | Fuse error proofing structure | |
| US3531604A (en) | Trigger switch for actuating an alarm | |
| CN214673691U (en) | Independently block terminal of putting out a fire based on thing networking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |