CN218248273U - Fire sprinkler head verifying device - Google Patents

Abstract

The utility model discloses a fire-fighting spray header verification device, which comprises a water retaining cover, a heating element and a temperature measuring instrument, wherein the water retaining cover is provided with a cavity, an open end face is arranged at one side of the opening of the cavity, and the water retaining cover is provided with a water outlet; the heating element is positioned in the cavity and is spaced from the open end surface in a preset direction; the temperature measuring instrument is located in the cavity, the temperature measuring instrument and the heating element are arranged at intervals, and the temperature measuring instrument is used for measuring the temperature in the cavity. The utility model discloses a fire sprinkler verifies device can inspect the action condition of fire sprinkler head on-line, can accurately obtain the action temperature of shower nozzle, and the water after the fire sprinkler head action also can in time be discharged.

Description

Fire sprinkler head verifying device

Technical Field

The utility model relates to a fire sprinkler system tests the field, especially relates to a fire sprinkler head verifies device.

Background

The fire sprinkler head is used for a fire sprinkler system and comprises an open type and a closed type. In the closed spray head, a glass ball filled with heat-sensitive liquid is filled in the spray head, the spray head is in a closed state under normal conditions, when the temperature of a fire disaster rises to reach the preset temperature of the heat-sensitive liquid, the heat-sensitive liquid in the glass ball expands, the internal pressure is increased, the glass ball bursts, a sealing gasket is separated, and pressure water is sprayed out.

The closed fire sprinkler head usually sets up the temperature before dispatching from the factory and carries out qualified detection, but to the fire sprinkler system who installs closed fire sprinkler head, except taking place the condition that the conflagration formed the high temperature, be difficult to detect closed fire sprinkler head under normal conditions and can normally move and verify whether fire sprinkler system can normally use according to predetermined temperature.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a can on-line inspection fire sprinkler system and whether its closed fire control shower nozzle can normal use verify the device.

The utility model discloses fire sprinkler head verifies device, include:

the water retaining cover is provided with a cavity, an opening end face is arranged on one opening side of the cavity, and a water outlet is formed in the water retaining cover;

a heating element positioned within the cavity, the heating element being spaced from the open end face in a predetermined direction; and

the temperature measuring instrument is located in the cavity, the temperature measuring instrument and the heating element are arranged at intervals, and the temperature measuring instrument is used for measuring the temperature in the cavity.

The utility model discloses a fire sprinkler verifies device can inspect the action condition of fire sprinkler head on-line, can accurately obtain the action temperature of shower nozzle, and the water after the fire sprinkler head action also can in time be discharged.

In some embodiments, the fire sprinkler head verification device further comprises a handheld rod, the handheld rod is provided with a flow passage, the handheld rod is arranged on the water blocking cover, and one end of the flow passage is communicated with the water outlet.

In some embodiments, the fire sprinkler head verification device further comprises a drain provided on the handheld wand, the drain being in communication with the flow passage.

In some embodiments, the fire sprinkler head verification device further comprises a support rod disposed within the flow passage with at least a portion of an outer peripheral surface of the support rod spaced from an inner peripheral surface of the hand-held rod to form a fluid passage, wherein a first portion of the support rod extends through the drain opening and into the cavity, the heating element is fixedly attached to the first portion of the support rod, and the heating element is spaced from the open end surface in a direction of extension of the hand-held rod or support rod.

In some embodiments, the handheld rod has a closed end surface located at the other end of the flow passage, one end of the support rod is disposed on the closed end surface, and one end of the drain pipe is communicated with the other end of the flow passage.

In some embodiments, the heating element is connected with a water-retaining disc through a connecting rod in the preset direction, the water-retaining disc is located in the cavity, the water-retaining disc and the open end face are arranged at intervals in the preset direction, the supporting rod is provided with a first plane in the direction perpendicular to the preset direction, the projection of the water-retaining disc on the first plane along the preset direction is a first projection, the projection of the heating element on the first plane along the preset direction is a second projection, and the first projection covers the second projection.

In some embodiments, the water retaining disc is umbrella-shaped, and the water retaining disc includes a small end and a large end, and the small end is adjacent to the open end surface relative to the large end in the preset direction.

In some embodiments, the temperature measuring instrument is disposed at the large head end of the water blocking disc, and a projection of the temperature measuring instrument on the first plane along the preset direction is a third projection, and the first projection covers the third projection.

In some embodiments, the water shield is a transparent shield, and/or the cavity tapers from the open end toward the drain opening.

In some embodiments, the water shield is a hemispherical shield or an umbrella-shaped shield.

Drawings

Fig. 1 is a schematic structural diagram of a fire sprinkler head verification device according to an embodiment of the present invention;

fig. 2 is one of schematic cross-sectional structural diagrams of a fire sprinkler head verification device according to an embodiment of the present invention;

fig. 3 is a second schematic cross-sectional view of the fire sprinkler head verification device according to the embodiment of the present invention;

fig. 4 is a third schematic sectional view of the fire sprinkler head verification device according to the embodiment of the present invention;

reference numerals are as follows:

the fire sprinkler head verification device 100 comprises a water retaining cover 1, an open end face 11, a water outlet 12, a cavity 13, a heating element 2, a temperature measuring instrument 3, a handheld rod 4, a flow channel 41, a closed end face 42, a water outlet pipe 5, a support rod 6, a first part 61, a connecting rod 7 and a water retaining disc 8.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, a fire sprinkler head verification device 100 according to an embodiment of the present invention includes a water blocking cover 1, a heating member 2, and a temperature measuring instrument 3.

The water blocking cover 1 is provided with a cavity 13, the water blocking cover 1 is provided with an open end face 11 at one open side of the cavity 13, and the water blocking cover 1 is provided with a water outlet 12. The heating member 2 is located within the cavity 13 with the heating member 2 spaced from the open end face 11 in a predetermined direction. The temperature measuring instrument 3 is positioned in the cavity 13, the temperature measuring instrument 3 is arranged at a distance from the heating element 2, and the temperature measuring instrument 3 is used for measuring the temperature in the cavity 13.

The utility model discloses a fire sprinkler head verifying attachment 100 is when testing the verification to the fire sprinkler head, and the wall laminating that manger plate cover 1 and set up the fire sprinkler head makes the fire sprinkler head be located cavity 13 of manger plate cover 1, and manger plate cover 1 forms a local space with the wall, adds heat-insulating material 2 and heats promotion ambient temperature to this space, and the temperature in this space is monitored to temperature measuring apparatu 3, also is the temperature when monitoring the action of fire sprinkler head. After the temperature measuring instrument 3 monitors that the temperature in the space reaches the set action temperature of the fire sprinkler head, if the fire sprinkler head sprays water, the fire pipeline where the fire sprinkler head and the fire sprinkler head are located can be judged to be normal, and water flow sprayed by the fire sprinkler head forms blocking and guiding on the water retaining cover 1 and is discharged from the water outlet 12 downwards.

The utility model discloses a fire sprinkler head verifying attachment 100 forms a local space to the fire sprinkler head through water retaining cover 1 to make the heating of heating member 2 can with this space rapid heating up, detect the temperature in this space by temperature measuring apparatu 3 and whether effective in order to judge the fire sprinkler head. The water retaining cover 1 limits the spraying diameter of the fire sprinkler head, not only facilitates the collection and discharge of water flow, but also can reduce the influence of the test on the environment.

The utility model discloses a fire sprinkler verifies device 100 can inspect the action condition of fire sprinkler head on-line, can accurately obtain the action temperature of shower nozzle, and the water after the fire sprinkler head action also can in time be discharged.

The utility model discloses a fire sprinkler head verifying attachment 100 still includes handheld pole 4, and handheld pole 4 is equipped with runner 41, and handheld pole 4 is established on manger plate cover 1, and runner 41's one end and outlet 12 communicate. The water retaining cover 1 is supported by the handheld rod 4, and the water retaining cover 1 is attached to the wall surface provided with the fire sprinkler head through the handheld rod 4, so that the operation convenience during the test is improved.

Specifically, referring to fig. 1 and 2, a fire sprinkler head verification device 100 according to an embodiment of the present invention includes a water blocking cover 1, a heating element 2, a temperature measuring instrument 3, and a hand-held rod 4, and an extending direction of the hand-held rod 4 is the same as a vertical direction in the drawing. The water retaining cover 1 has a first end face provided with a cavity 13, the first end face constitutes an open end face 11, and the water outlet 12 is located on the opposite side of the open end face 11 in the extending direction of the handheld rod 4. When carrying out test operation, the personnel drive water retaining cover 1 through removing handheld pole 4 and remove in order to form local space with the wall to the fire sprinkler head, then heat this space by heating member 2, monitor the actual action temperature in order to obtain the fire sprinkler head by the temperature measurement appearance 3 in this space to verify on line whether the fire control pipeline at fire sprinkler head and fire sprinkler head place is normal.

In addition, the fire sprinkler head verification device 100 further includes a base (not shown), which is detachably connected to the handheld wand 4. The fire sprinkler head verification device 100 may be placed on the ground through the base, thereby avoiding the person's support of the hand-held pole 4 for a long time.

Specifically, the base and the handheld rod 4 can be detachably connected through the matching of the internal and external thread structures.

In some embodiments, the water shield 1 is a transparent shield. The transparent water retaining cover 1 has visibility so as to observe the spraying state of the fire sprinkler head. And, when covering the water blocking cover 1 to the fire sprinkler head, also can directly observe the position of the fire sprinkler head in the cavity 13 of the water blocking cover 1, make things convenient for personnel to adjust the position and the distance of the fire sprinkler head for heating member 2.

In some embodiments, the cavity 13 is gradually reduced from the open end surface 11 to the water outlet 12, and water sprayed by the fire sprinkler head can flow to the water outlet 12 along the inner wall surface of the water baffle cover 1, so that the sprayed water can be collected and discharged conveniently.

In some embodiments, the water shield 1 is a hemispherical shield, as shown in fig. 1.

In other embodiments, the water shield 1 may be an umbrella-shaped shield. It is understood that the shape of the water deflector 1 is not limited thereto, and may be, for example, a funnel shape as long as the collection and discharge of the sprayed water are facilitated.

In some embodiments, the fire sprinkler head verification device 100 further comprises a drain pipe 5, the drain pipe 5 being provided on the handheld wand 4, the drain pipe 5 being in communication with the flow passage 41. The provision of the drain pipe 5 facilitates the connection of a hose line to drain water sprayed by the fire sprinkler head out of the present fire sprinkler head verification device 100 to a predetermined water recovery area.

In some embodiments, the fire sprinkler head verification device 100 further includes a support bar 6. The support rod 6 is arranged in the flow channel 41, at least one part of the outer peripheral surface of the support rod 6 is spaced from the inner peripheral surface of the hand-held rod 4 to form a fluid channel, wherein a first part 61 of the support rod 6 passes through the water outlet 12 and extends into the cavity 13, the heating element 2 is fixedly connected to the first part 61 of the support rod 6, and the heating element 2 is spaced from the open end surface 11 in the extending direction of the hand-held rod 4 or the support rod 6. The hand-held rod 4 has a closed end surface 42, the closed end surface 42 is located at the other end of the flow channel 41, and one end of the support rod 6 is arranged on the closed end surface 42. The bracing piece 6 is fixed with heating member 2 on handheld pole 4, avoids having connection structure between manger plate cover 1 and the heating member 2, has reduced spraying and the hindrance that flows of fire sprinkler head in the cavity 13 of manger plate cover 1 to more can directly observe the spraying effect of judging fire sprinkler head.

In some embodiments, one end of the drain pipe 5 communicates with the other end of the flow passage 41, that is, one end of the drain pipe 5 communicates with the other end of the fluid passage. The water flowing out of the water discharge port 12 of the water guard cover 1 flows through the flow path 41 to the water discharge pipe 5, and the water discharge pipe 5 is provided at the other end of the flow path to prevent the water from accumulating in the flow path 41.

Specifically, referring to fig. 2, the axis of the support rod 6 is aligned with the axis of the flow channel 41, the outer circumferential surface of the support rod 6 is spaced apart from the inner circumferential surface of the hand-held rod 4, and the cross-sectional profile of the fluid channel formed thereby is annular. The water in the water retaining cover 1 can flow downwards along the annular fluid channel, and the phenomenon that rotational flow is formed in the cavity 13 of the water retaining cover 1 to influence the discharge speed of the water can be avoided.

In some embodiments, the heating element 2 is connected with a water retaining disc 8 through a connecting rod 7 in a preset direction, the water retaining disc 8 is located in the cavity 13, the water retaining disc 8 and the open end face 11 are arranged at intervals in the preset direction, the supporting rod 6 is provided with a first plane in the direction perpendicular to the preset direction, a projection of the water retaining disc 8 on the first plane along the preset direction is a first projection, and a projection of the heating element 2 on the first plane along the preset direction is a second projection, and the first projection covers the second projection. When the fire sprinkler head sprays, the water retaining disc 8 can form certain blocking to the heating member 2, and a large amount of water is avoided spraying to the heating member 2 and the service life of the heating member 2 is influenced.

Specifically, the heating element 2 has an overheat protection function, and for a common closed fire sprinkler head, the preset temperature of the thermosensitive liquid in the glass ball is within 200 ℃, so that the overheat protection temperature of the heating element 2 is 200 ℃.

Specifically, as shown in fig. 2, the number of the connecting rods 7 is plural, and a plurality of the connecting rods 7 are annularly distributed to connect the heating member 2 and the water-stop pan 8 with the water-stop pan 8 spaced apart from the heating member 2. The water retaining disc 8 is located directly over the heating member 2, and when the fire sprinkler head sprays, if the water retaining disc 8 is located directly under the fire sprinkler head, the influence on the heating member 2 is minimum.

In some embodiments, the water retaining disc 8 is umbrella-shaped, and the water retaining disc 8 includes a small end and a large end, and the small end is adjacent to the open end surface 11 relative to the large end in the predetermined direction. The umbrella-shaped water retaining disc 8 can enable water on the water retaining disc 8 to smoothly flow down along the water retaining disc 8 when the fire sprinkler head sprays, and water accumulation on the water retaining disc 2 is avoided.

It is to be understood that the shape of the water blocking disc 8 is not limited thereto, and may be, for example, a conical shape or a semicircular shape, as long as water accumulation of the water blocking disc 8 is prevented.

In some embodiments, the temperature measuring instrument 3 is disposed at the large head end of the water blocking disc 8, and a projection of the temperature measuring instrument 3 on the first plane along the preset direction is a third projection, and the first projection covers the third projection. The water retaining disc 8 further protects the temperature measuring instrument 3 and prevents a large amount of water from being sprayed on the temperature measuring instrument 3.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A fire sprinkler head verification device, comprising:

the water retaining cover (1), the water retaining cover (1) is provided with a cavity (13), an open end face (11) is arranged on one open side of the cavity (13) of the water retaining cover (1), and a water outlet (12) is formed in the water retaining cover (1);

a heating element (2), said heating element (2) being located within said cavity (13), said heating element (2) being spaced from said open end face (11) in a predetermined direction; and

temperature measuring apparatu (3), temperature measuring apparatu (3) are located in cavity (13), temperature measuring apparatu (3) with heating member (2) interval sets up, temperature measuring apparatu (3) are used for measuring the temperature in cavity (13).

2. A fire sprinkler head verification device according to claim 1, further comprising a hand-held lever (4), said hand-held lever (4) being provided with a flow channel (41), said hand-held lever (4) being provided on said water deflector cover (1), one end of said flow channel (41) being in communication with said water discharge outlet (12).

3. A fire sprinkler head verification device according to claim 2, further comprising a drain pipe (5), said drain pipe (5) being provided on said handheld wand (4), said drain pipe (5) being in communication with said flow passage (41).

4. A fire sprinkler head verification device according to claim 3, further comprising a support rod (6), the support rod (6) being disposed within the flow passage (41), at least a portion of an outer peripheral surface of the support rod (6) being spaced from an inner peripheral surface of the hand held rod (4) to form a fluid passageway, wherein a first portion of the support rod (6) passes through the drain opening (12) and extends into the cavity (13), the heating element (2) being fixedly connected to the first portion of the support rod (6), the heating element (2) being spaced from the open end face (11) in a direction of extension of the hand held rod (4) or support rod (6).

5. A fire sprinkler head verification device according to claim 4, wherein the hand held lever (4) has a closed end face (42), the closed end face (42) being located at the other end of the flow passage (41), one end of the support lever (6) being provided on the closed end face (42), one end of the drain pipe (5) being in communication with the other end of the flow passage (41).

6. A fire sprinkler head verification device according to claim 4, wherein the heating element (2) is connected with a water retaining disc (8) in the predetermined direction by a connecting rod (7), the water retaining disc (8) is located in the cavity (13), the water retaining disc (8) and the open end face (11) are spaced in the predetermined direction, the support rod (6) has a first plane perpendicular to the predetermined direction, a projection of the water retaining disc (8) on the first plane along the predetermined direction is a first projection, a projection of the heating element (2) on the first plane along the predetermined direction is a second projection, and the first projection covers the second projection.

7. A fire sprinkler head verification device according to claim 6, wherein the water retaining disc (8) is umbrella-shaped, the water retaining disc (8) comprising a small head end and a large head end, the small head end being adjacent the open end face (11) relative to the large head end in the predetermined direction.

8. A fire sprinkler head verification device according to claim 7, wherein said temperature gauge (3) is provided at said large head end of said water tray (8), a projection of said temperature gauge (3) on said first plane along said preset direction is a third projection, and said first projection covers said third projection.

9. A fire sprinkler head verification device according to claim 1, wherein the water deflector cover (1) is a transparent cover and/or the cavity (13) tapers from the open end face (11) to the drain opening (12).

10. A fire sprinkler head verification device according to claim 9, wherein the water shield (1) is a hemispherical or umbrella-shaped shield.

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