CN207440960U - A kind of fire detecting and alarm device for preventing neglected loading battery - Google Patents

Abstract

The utility model discloses a kind of fire detecting and alarm devices for preventing neglected loading battery, it includes bottom case and bowl-shape face-piece, wiring board is equipped in the face-piece, the wiring board is equipped with smoke inductor, the top of the face-piece is equipped with head cover, the bottom notch of the bottom case and be formed with battery compartment, the opening of the battery compartment is covered with warehouse lid, battery is equipped in the battery compartment, elastic piece is equipped in the battery compartment, the first end of the elastic piece is connected to the inner wall of battery compartment, the second end elasticity of the elastic piece is connected to battery, grooved hole is opened up in the warehouse lid, the second end of the elastic piece is extended to through the slot outside battery compartment, when not installing battery in the battery compartment, elastic piece elastic stretch into battery compartment, the second end of the elastic piece is protruding by the opening of battery compartment.The utility model can prevent neglected loading battery, can improve safety and reliability, and meet application demand.

Description

A kind of fire detecting and alarm device for preventing neglected loading battery

Technical field

The utility model is related to fire detection equipments more particularly to a kind of fire detecting and alarm for preventing neglected loading battery to fill It puts.

Background technology

Smog that cigarette sense fire detector generates when being by sensing on fire judges the monitoring device of situation on fire.It is real In the application of border, fire detecting and alarm device is stand alone type installation mostly, and to realize dotted laying, each device is supplied using battery Electricity, specific implementation method are that battery compartment is set on bottom case, and battery is installed in battery compartment, and warehouse lid is recycled to be covered on battery The assembling of battery is completed in storehouse.In the construction process, it is necessary to after battery is installed on battery compartment, fire detecting and alarm could be filled Put and be installed on predeterminated position, and during practical operation, be often present with the situation of neglected loading battery, cause fire detecting and alarm device because Short of electricity and can not play a role, and then bring security risk, application demand can not be met.

Utility model content

The technical problems to be solved in the utility model is that in view of the deficiencies of the prior art, providing one kind being capable of anti-leak-stopping Packed battery can improve safety and reliability, and meet the fire detecting and alarm device of application demand.

In order to solve the above technical problems, the utility model adopts the following technical solution.

A kind of fire detecting and alarm device for preventing neglected loading battery, includes bottom case and bowl-shape face-piece, the face-piece It covers at bottom case and the two is fixed, wiring board is equipped in the face-piece, the wiring board is fixed on bottom case, the circuit Plate is equipped with smoke inductor, and the top of the face-piece is equipped with head cover, smog window is formed between the head cover and the face-piece Mouthful, the smog window aligns with the smoke inductor, the bottom notch of the bottom case and be formed with battery compartment, the battery The opening in storehouse is covered with warehouse lid, and battery is equipped in the battery compartment, and the battery is used to provide power supply, the electricity for wiring board Elastic piece is equipped in the storehouse of pond, the first end of the elastic piece is connected to the inner wall of battery compartment, the second end elasticity of the elastic piece Battery is connected to, grooved hole is opened up in the warehouse lid, the second end of the elastic piece extends to battery compartment through the slot Outside, when not installing battery in the battery compartment, elastic piece elastic stretch into battery compartment, the second of the elastic piece End is protruding by the opening of battery compartment.

Preferably, the elastic piece is integrally formed with the bottom case.

Preferably, the first end of the elastic piece is obliquely installed, and the second end of the elastic piece is vertically arranged, and the bullet Angle between the first end and second end of property piece is in obtuse angle.

Preferably, the inner wall of the battery compartment offers to house the avoiding hollow groove of the elastic piece.

Preferably, the second reinforcing rib is formed between the first end of the elastic piece and the inner wall of avoiding hollow groove.

In the fire detecting and alarm device that neglected loading battery is prevented disclosed in the utility model, elasticity is provided in battery compartment Piece under the elastic reaction of elastic piece itself, makes it have the elastic potential energy stretched into battery compartment, so when peace in battery compartment During packed battery, battery can squeeze elastic piece, and elastic piece is made to be drawn close to the madial wall of battery compartment, while the second end of elastic piece is worn Cross the slot in warehouse lid so that warehouse lid can be covered on the opening of battery compartment；When not installing battery in battery compartment, in elasticity Under the action of potential energy, elastic piece elastic stretch into battery compartment, since the second end of elastic piece is longer, so it can be extended to Outside the opening of battery compartment, warehouse lid cannot be covered on battery compartment at this time.Based on said structure so that fire detecting and alarm device is only Warehouse lid can just be covered after battery is installed by having, and effectively prevent happening for neglected loading battery, substantially increase detection report The safety and reliability of alarm device, and then meet the market demand.

Description of the drawings

Fig. 1 is the stereogram of the utility model fire detecting and alarm device.

Fig. 2 is the cut-away view of the utility model fire detecting and alarm device.

Fig. 3 is the enlarged drawing of part A in Fig. 2.

Fig. 4 is the top view of the utility model fire detecting and alarm device.

Fig. 5 is along the sectional view of line B-B in Fig. 4.

Fig. 6 is the exploded view one of the utility model fire detecting and alarm device.

Fig. 7 is the exploded view two of the utility model fire detecting and alarm device.

Fig. 8 is the structure chart of bottom case,

Fig. 9 is the structure chart one of stent and electroacoustic transducer.

Figure 10 is the structure chart two of stent and electroacoustic transducer.

Specific embodiment

The utility model is described in more detail with reference to the accompanying drawings and examples.

Embodiment one

Fig. 1, Fig. 2, Fig. 6, Fig. 7 and Fig. 8 are refer to, the present embodiment proposes a kind of detection report for preventing neglected loading battery Alarm device includes bottom case 1 and bowl-shape face-piece 2, and the face-piece 2 covers at bottom case 1 and the two is fixed, the face-piece Wiring board 3 is equipped in 2, the wiring board 3 is fixed on bottom case 1, and the wiring board 3 is equipped with smoke inductor 4, the face-piece 2 top is equipped with head cover 20, is formed with smog window 21 between the head cover 20 and the face-piece 2, the smog window 21 with The smoke inductor 4 is alignd, the bottom notch of the bottom case 1 and be formed with battery compartment 5, the opening lid of the battery compartment 5 Conjunction has warehouse lid 8, and battery 50 is equipped in the battery compartment 5, and the battery 50 is used to provide power supply, the battery compartment 5 for wiring board 3 Interior to be equipped with elastic piece 51, the first end of the elastic piece 51 is connected to the inner wall of battery compartment 5, the second end bullet of the elastic piece 51 Property be connected to battery 50, open up grooved hole 80 in the warehouse lid 8, the second end of the elastic piece 51 is prolonged through the slot 80 It extends outside battery compartment 5, when not installing battery 50 in the battery compartment 5, the elastic piece 51 elasticity into battery compartment 5 is stretched Exhibition, the second end of the elastic piece 51 are protruding by the opening of battery compartment 5.

In above-mentioned fire detecting and alarm device, elastic piece 51 is provided in battery compartment 5, in the elasticity of itself of elastic piece 51 Under effect, the elastic potential energy stretched into battery compartment 5 is made it have, so when installation battery 50 in battery compartment 5, battery 50 can To squeeze elastic piece 51, the madial wall of elastic piece 51 to battery compartment 5 is made to draw close, while the second end of elastic piece 51 passes through warehouse lid 8 On slot 80 so that warehouse lid 8 can be covered on the opening of battery compartment 5；When not installing battery 50 in battery compartment 5, in bullet Under the action of property potential energy, the elastic stretch into battery compartment 5 of elastic piece 51, since the second end of elastic piece 51 is longer, so its energy It enough extends to outside the opening of battery compartment 5, warehouse lid 8 cannot be covered on battery compartment 5 at this time.Based on said structure so that fire is visited Measuring alarming device only can just cover warehouse lid 8 after battery 50 is installed, and effectively prevent happening for neglected loading battery, carry significantly The high safety and reliability of fire detecting and alarm device, and then meet the market demand.

The fire detecting and alarm device for preventing neglected loading battery in the present embodiment, compared to existing technologies, also has Following characteristic：It is advanced：The device need not specially be paid close attention to when installing battery, battery can be kept arbitrarily to install, reaching prevents The purpose of neglected loading battery.Economy：Battery compartment elastic piece in the present apparatus is integrally formed with bottom case.And traditional detection report The anti-neglected loading of alarm device, usually adds the parts such as pivoted arm and torsional spring, is fixed on using ultrasonic bonding mode near housing battery storehouse.It can Row：Pass through products application and test.During neglected loading battery, battery compartment elastic piece withstands battery cover so that battery cover cannot be tipped in Bottom case then causes entire product that can not screw in pedestal and is installed.Compatibility：The present apparatus is suitable for cylindrical battery (such as 5 Number/No. 7 batteries) and rectangular cell (9V batteries).

For the ease of processing and manufacturing, the elastic piece 51 is integrally formed with the bottom case 1.

On the concrete structure of elastic piece 51, the first end of the elastic piece 51 is obliquely installed, and the of the elastic piece 51 Two ends are vertically arranged, and the angle between the first end and second end of the elastic piece 51 is in obtuse angle.Wherein, inclined first end For generating elastic force, vertical second end is used to be adjacent to battery 50 so that the elastic force between elastic piece 51 and battery 50 is maintained at Laterally, in order to place battery 50.

Further, the inner wall of the battery compartment 5 offers to house the avoiding hollow groove 52 of the elastic piece 51.

In the present embodiment, in order to improve the mechanical strength of elastic piece 51, first end and the avoiding hollow groove 52 of the elastic piece 51 Inner wall between be formed with the second reinforcing rib 53.

Embodiment two

At present, the more extensive detector of application is free-standing fire detector, passes through built-in inductor, circuit Plate, electro-acoustic element etc. complete the detection and alarm of smog, but in current detector, the electro-acoustic elements such as loudspeaker, buzzer are all It is disposed in shell, is made a sound by the window opened up on shell, but when electro-acoustic element sounding, sound is first outside The inner space radiation of shell, window can only spread out of smaller part of sound, this results in the sound of cigarette sense fire detector too small And cannot be heard by the user, it, then, can not be small-sized only there are the problems such as power consumption is high, electricity shortage according to high-power loudspeaker It is applied in vertical cigarette sense fire detection alarm.In this regard, the present embodiment proposes a kind of free-standing fire detecting and alarm device, knot It closes shown in Fig. 1, Fig. 2 and Fig. 6, includes bottom case 1 and bowl-shape face-piece 2, the face-piece 2 covers at bottom case 1 and the two engages It is fixed, wiring board 3 is equipped in the face-piece 2, the wiring board 3 is fixed on bottom case 1, and the wiring board 3 is equipped with smog sense Device 4 is answered, the top of the face-piece 2 is equipped with head cover 20, smog window 21, institute are formed between the head cover 20 and the face-piece 2 Smog window 21 is stated to align with the smoke inductor 4, the bottom notch of the bottom case 1 and be formed with battery compartment 5, the battery Battery 50 is equipped in storehouse 5, the battery 50 is used to provide power supply for wiring board 3, and stent 6, the branch are fixed on the bottom case 1 Frame 6 is equipped with electroacoustic transducer 60, and the electroacoustic transducer 60 is electrically connected at wiring board 3, and the top of the stent 6 is formed with Leading note barrel 61, the electroacoustic transducer 60 go out sound side towards the leading note barrel 61, the top open part shape of the leading note barrel 61 Into there is inclined first trimming 62, first trimming 62 and the inner wall of the face-piece 2 fit closely, and the face-piece 2 is equipped with Go out sound window 22, it is described go out sound window 22 align with the open top of the leading note barrel 61.

In above-mentioned stand alone type fire detecting and alarm device, electric signal is exported when smoke inductor 4 senses smog to line Road plate 3, the wiring board 3 control electroacoustic transducer 60 to send alarm sound, which is conducted by leading note barrel 61 to going out sound window Mouthfuls 22, then from going out sound window 22 to external radiation, since the top open part of leading note barrel 61 is formed with the first trimming 62, and described the One trimming 62 and the inner wall of face-piece 2 fit closely so that leading note barrel 61 forms a sound chamber with face-piece 2, and goes out sound window 22 and make For the outlet of sound chamber, the alarm sound that electroacoustic transducer 60 is sent can be concentrated to external radiation, avoid sound spoke in housing It penetrates and causes to decay, and then improve alarm volume, improve monitoring, alarming performance.

In the present embodiment, the top open part of the leading note barrel 61 is formed with inclined second trimming 63, and described second cuts Default angle is formed between side 63 and first trimming 62, the overlapping edges of the wiring board 3 are in second trimming 63.It should One effect of the second trimming 63 is to provide clearance position for wiring board 3, another effect is can to play support to wiring board 3 to make With.

As a kind of preferred embodiment, the inner wall of the leading note barrel 61 is formed with baffle 64, and the baffle 64 is located at described the The lower section of two trimmings 63, and the baffle 64 tilts obliquely upward.Under the action of baffle 64, guiding can be played to sound and is made With so that sound can be concentrated more.

For the ease of stent 6 is fixed, Fig. 6, Fig. 9 and Figure 10 refer to, the edge of the stent 6 has extended downwardly more A column 65, the lower end of the column 65 are fixedly connected on bottom case 1.Further, the electroacoustic transducer 60 is buzzer.

In the present embodiment, sound hole 66 is offered on the stent 6, the sound hole 66 is communicated in the leading note barrel 61, described The bottom of stent 6 is formed with annular flange 67, and the annular flange 67 is surrounded on the sound hole 66, and the electroacoustic transducer 60 is solid Due in annular flange 67, and the electroacoustic transducer 60 is covered in the sound hole 66.

Embodiment three

In practical application, the smoke inductor of fire detecting and alarm device includes labyrinth, and labyrinth is by barrier board, web plate and fan Palace lid composition so that form a cavity, smog enters labyrinth by the window on shell in the labyrinth in so that infrared transmitting tube with connect Closed tube can sense the smog in labyrinth and generate electric signal.In this labyrinth, it is desirable that smog can only be from the gap of barrier board Into labyrinth, so labyrinth lid is usually fixed or is connected to barrier board top, it is not only difficult to manufacture, and in length Under phase service condition, can not learn dust, moisture content whether are accumulated in labyrinth, and these dusts, water droplet will seriously affect it is infrared The accuracy of detection of pipe, thus examination and maintenance are not easy to, the market demand can not be met.To solve these technical problems, this implementation Example propose it is a kind of without labyrinth lid, simplify product structure, convenient for check and safeguard, be readily produced manufacture based on photo-electric The fire detecting and alarm device of smoke inductor.

Fig. 1, Fig. 2, Fig. 4, Fig. 5, Fig. 6 and Fig. 7 are refer to, which includes bottom case 1 and bowl-shape Face-piece 2, the face-piece 2 covers at bottom case 1 and the two is fixed, and wiring board 3 is equipped in the face-piece 2, and the wiring board 3 is solid Due on bottom case 1, the wiring board 3 is equipped with smoke inductor 4, and the smoke inductor 4 includes support base 40 and tubular Web plate 42, the top of the support base 40 is formed with multiple barrier boards 41, and multiple barrier boards 41 are equal along the edge of support base 40 Even distribution, the web plate 42 are sheathed on multiple barrier boards 41, and infrared-emitting diode 43 and red is embedded on the support base 40 Outer reception diode 44, the infrared-emitting diode 43 and infrared receiving diode 44 are electrically connected in wiring board 3, institute The top for stating face-piece 2 is equipped with head cover 20, and smog window 21, the smog window are formed between the head cover 20 and the face-piece 2 Mouth 21 is towards the web plate 42, and the top of the barrier board 41 and the inner wall of head cover 20 fit closely, the head cover 20, barrier board 41 and support base 40 surround to form labyrinth chamber, the infrared-emitting diode 43 and infrared receiving diode 44 are towards the fan Uterine cavity.

In above-mentioned fire detecting and alarm device, since the top of barrier board 41 can be fitted closely with the inner wall of head cover 20, So when face-piece 2 is installed on bottom case 1, head cover 20, barrier board 41 and support base 40 can surround and form labyrinth chamber, infrared The smog in the labyrinth chamber can be sensed under the mating reaction of emitting diode 43 and infrared receiving diode 44, and then is realized Smoke Detection.In said structure, without configuring labyrinth lid for smoke inductor, so simplifying product structure, reducing production Manufacture difficulty saves product cost, meanwhile, user, which need to only remove face-piece 2, can check the inner case in labyrinth, and then conveniently It checks, cleaning and maintenance work.

In the present embodiment, in order to improve cigarette sense sensitivity, the inner wall of the head cover 20 is coated with pitch-dark layer.

Further, in order to realize the matching of binding face, the top of the barrier board 41 is formed with curved end 410, institute The inside for stating head cover 20 is formed with arc inner wall 200, and the curved end 410 is fitted closely with the arc inner wall 200.

As a kind of preferred embodiment, the wiring board 3 is equipped with LED light 30, and light pipe is equipped in the face-piece 2 31, one end of the light pipe 31 is sheathed on the LED light 30, and the other end of the light pipe 31 is arranged in the face-piece 2。

Example IV

In practical application, the inside of fire detecting and alarm device is both provided with wiring board, is used to install smog on wiring board The devices such as detector, the wiring board need to be fixedly mounted in housing, and existing installation method is to be consolidated wiring board by screw It is scheduled on column, but is influenced by factors such as processing technology, machining accuracies, through hole and the column for generally occurring within wiring board be not right Its situation, although can force to fix wiring board at this time, wiring board must bear certain stress, and detection Warning device needs to be chronically at monitoring state, under the conditions of long-time service, wiring board by stress influenced will to be present with deformation, The situations such as PCB trace tear, cause the service life of fire detecting and alarm device to reduce, stability, reliability are poor.In addition, When needing replacing wiring board, because of screw repeated disassembled and assembled so that screw cannot be locked reliably with column, should be whole by casing part It changes, causes the wasting of resources.To solve these technical problems, the present embodiment propose one kind be avoided that wiring board meet with stresses, The service life of product can be improved, the Stability and dependability of product is improved, is easy to dismount, avoids impaired fire due to dismounting Detection alarm device.

It refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 6, the fire detecting and alarm device in the present embodiment includes bottom case 1 and bowl-shape Face-piece 2, the face-piece 2 covers at bottom case 1 and the two is fixed, and wiring board 3, the wiring board 3 are equipped in the face-piece 2 It is fixed on bottom case 1, the wiring board 3 is equipped with smoke inductor 4, and the top of the face-piece 2 is equipped with head cover 20, the head cover Smog window 21 is formed between 20 and the face-piece 2, the smog window 21 aligns with the smoke inductor 4, the bottom Multiple columns 10 and multiple card columns 11 are formed on shell 1, the top of the column 10 is connected to the bottom of wiring board 3, multiple cards Column 11 is divided into the surrounding of wiring board 3, and the top of the card column 11 is formed with hook portion 110, and the hook portion 110 is in inverted " u " Shape, and the hook portion 110 is located at the top of wiring board 3, the end of the hook portion 110 is formed with the bayonet of inverted "L" shape 111, the edge card of the wiring board 3 is arranged in the bayonet 111, by multiple columns 10 and multiple card columns 11 by the line Road plate 3 is fixed on bottom case 1.

In above-mentioned fire detecting and alarm device, played a supporting role using column 10 to the bottom of wiring board 3, multiple card columns 11 are divided into the surrounding of wiring board 3, and the card column 11 is equipped with hook portion 110, and the end of hook portion 110 is sharp towards wiring board 3 The edge of wiring board 3 can be connected in the bayonet 111 of the inverted "L" shape of 110 end of hook portion, in bayonet 111 and column 10 Longitudinally wiring board 3 can be clamped under mating reaction, can laterally be pressed from both sides wiring board 3 under the mating reaction of multiple bayonets 111 Tightly, and then the fixation to wiring board 3 is realized.The device can fix wiring board 3 without screw, so as to avoid wiring board It meets with stresses, substantially increase the service life of product and improves the Stability and dependability of product, particularly tieing up During repairing, dismounting, need to only exert a force to card column 11 can remove wiring board 3 so that wiring board 3 is easier to dismount, and protects Housing parts are against damages.

In order to improve the stress intensity of card column 11, the side of the card column 11 is equipped with the first reinforcing rib 112, the bottom case 1, 11 and first reinforcing rib 112 of card column is integrally formed.

Further, first reinforcing rib 112 is located at card column 11 backwards to the one side of wiring board 3.

The present embodiment has further included pedestal 7, and the bottom case 1 is fixed with the pedestal 7.

The above is the utility model preferred embodiment, is not intended to limit the utility model, all in this practicality Modification, equivalent substitution or improvement made in new technical scope etc., should be included in the model that the utility model is protected In enclosing.

Claims (5)

1. a kind of cigarette sense fire detecting and alarm device for preventing neglected loading battery, which is characterized in that include bottom case and bowl-shape face Shell, the face-piece covers at bottom case and the two is fixed, and wiring board is equipped in the face-piece, and the wiring board is fixed on bottom case On, the wiring board is equipped with smoke inductor, and the top of the face-piece is equipped with head cover, shape between the head cover and the face-piece Into there is smog window, the smog window aligns with the smoke inductor, the bottom notch of the bottom case and be formed with battery Storehouse, the opening of the battery compartment are covered with warehouse lid, battery are equipped in the battery compartment, and the battery is used to provide for wiring board Power supply, the battery compartment is interior to be equipped with elastic piece, and the first end of the elastic piece is connected to the inner wall of battery compartment, the elastic piece Second end elasticity is connected to battery, and grooved hole is opened up in the warehouse lid, and the second end of the elastic piece is prolonged through the slot It extends outside battery compartment, when not installing battery in the battery compartment, elastic piece elastic stretch into battery compartment, the bullet The second end of property piece is protruding by the opening of battery compartment.

2. the cigarette sense fire detecting and alarm device as described in claim 1 for preventing neglected loading battery, which is characterized in that the elasticity Piece is integrally formed with the bottom case.

3. the cigarette sense fire detecting and alarm device as described in claim 1 for preventing neglected loading battery, which is characterized in that the elasticity The first end of piece is obliquely installed, and the second end of the elastic piece is vertically arranged, and the first end and second end of the elastic piece it Between angle in obtuse angle.

4. the cigarette sense fire detecting and alarm device as described in claim 1 for preventing neglected loading battery, which is characterized in that the battery The inner wall in storehouse offers to house the avoiding hollow groove of the elastic piece.

5. the cigarette sense fire detecting and alarm device as claimed in claim 4 for preventing neglected loading battery, which is characterized in that the elasticity The second reinforcing rib is formed between the first end of piece and the inner wall of avoiding hollow groove.