CN202078686U

CN202078686U - Safety testing device

Info

Publication number: CN202078686U
Application number: CN2011201127393U
Authority: CN
Inventors: 张永焕; 张明华
Original assignee: Yue San Enterprise Co Ltd
Current assignee: Yue San Enterprise Co Ltd
Priority date: 2011-04-15
Filing date: 2011-04-15
Publication date: 2011-12-21
Anticipated expiration: 2021-04-15

Abstract

The utility model discloses a safety testing device. An original fire extinguishing device is additionally provided with the safety testing device and comprises a box, a water tank and a foam box are arranged in the box and are respectively connected with a control valve, the other end of the control valve is connected with a pressurizing pump, the other end of the pressurizing pump is connected with a hose, and the hose is connected with a spray gun. The safety testing device comprises a water return pipeline, a water return selector switch and a water return start switch, the water return pipeline is arranged between the pressurizing pump and the hose, one end of the water return pipeline is connected to the water tank, the water return selector switch is disposed in the water return pipeline, switched water flow flows to the spray gun via the hose or flows back to the water tank, and the pressurizing pump is started via the water return start switch. Due to the design, a water backflow test is realized, the safety testing device not only can save water resources, but also can test in situ, and a user does not need to worry about whether the holding space for the fire extinguishing device is enough or not or worry about other barriers or hygroscopic articles.

Description

Safety instrumentation

Technical field

The utility model relates to the safety test field, particularly a kind of safety instrumentation.

Background technology

As shown in Figure 1 and Figure 2, have a kind of of extinguishing device now, be provided with a water tank 2 in one casing 1, a bubble chamber 3 connects a control valve 4 respectively, this control valve 4 other ends connect a pressurization group Pu 5, this pressurization helps Pu 5 other ends to be connected to a flexible pipe 6, this flexible pipe 6 is connected to a spray gun 7 again, this spray gun 7 has an effluent switch 8, and this spray gun 7 is put on the bracing frame 9, or other predeterminated position, respectively this bracing frame 9 is provided with an open-close on-off 9a, and the startup that this open-close on-off 9a controls this pressurization group Pu 5 whether.

When fire alarm takes place when, these nearest spray gun 7 predeterminated positions of fire alarm are taking place, taking out this spray gun 7 uses, this open-close on-off 9a starts thereupon, start the pressure of these pressurization group Pu 5 these water tanks 2 of pressurization or this bubble chamber 3, again this spray gun 7 is aimed at the burning things which may cause a fire disaster place, and open effluent switch 8 simultaneously, water in this water tank 2 or the bubble jet in this bubble chamber 3 can be spilt to the burning things which may cause a fire disaster place, be extinguished.

Though can utilize aforesaid way, put out in the very first time at flare initial stage, ensure life and property safety.But when long-term placement is not used, need often do the safety test that whether can normally use, i.e. so-called " maintenance overweights and purchases ", do not test and do not maintain, once during the breaking out of fire accident, can't start use at ordinary times, allow tragedy produce, so just lost the meaning of purchasing extinguishing device.

Existing extinguishing device is when test, need rehearsal on the spot, promptly fire alarm has taken place in hypothesis, take out this spray gun 7, this open-close on-off 9a starts thereupon, the pressure of these pressurization group Pu 5 these water tanks 2 of pressurization, this spray gun 7 is aimed at the burning things which may cause a fire disaster place, and open effluent switch 8 simultaneously, and the water in this water tank 2 is sprayed to the burning things which may cause a fire disaster place, extinguished.

Rehearsal certainly will cause the waste of water resource so on the spot, near the extinguishing device of also must worrying sometimes whether barrier or other easy damp item is arranged, and influence is tested in the original place.

The utility model content

For overcoming above-mentioned defective, the utility model purpose is to provide a kind of and can tests in the original place, and can not cause the safety instrumentation of water resource waste.

For achieving the above object, safety instrumentation of the present utility model, set up a safety instrumentation at former extinguishing device, this former extinguishing device comprises: a casing, be provided with a water tank in this casing, a bubble chamber connects a control valve respectively, this control valve other end connects a pressurization group Pu, and this pressurization group Pu other end connects a flexible pipe, and this flexible pipe connects a spray gun; This safety instrumentation comprises: a water return pipeline, a backwater change-over switch, a backwater starting switch, this water return pipeline is arranged between this pressurization group Pu and this flexible pipe, this water return pipeline one end connects back this water tank, this backwater change-over switch is arranged in this water return pipeline, switch current through this flexible pipe to this spray gun, or switch current and return this water tank, this backwater starting switch starts this pressurization and helps the Pu.

This backwater starting switch is arranged at this backwater change-over switch top, switches this backwater change-over switch and touches this backwater starting switch simultaneously.

The utility model forms the innovative design of a safety instrumentation by adopting described water return pipeline, backwater change-over switch, backwater starting switch, make water form the test of a backflow, not only can save water resource, and can test in the original place, whether the extinguishing device placement space of need not worrying is enough, or other barrier or easy damp item are arranged.

Description of drawings

Fig. 1 is former extinguishing device structure chart.

Fig. 2 is the flow chart of former extinguishing device.

Fig. 3 is that the utility model is in the embodiment of extinguishing device schematic diagram.

Fig. 4 is a flow chart of the present utility model.

Fig. 5 is the action schematic diagram of the utility model backwater change-over switch and backwater starting switch.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

As Fig. 3, Fig. 4 and shown in Figure 5, the utility model is a kind of safety instrumentation, sets up a safety instrumentation at former extinguishing device.

This extinguishing device comprises: a casing 10, be provided with a water tank 11 with water in this casing 10, one bubble chamber 12 with foam connects a control valve 13 respectively, these control valve 13 other ends connect a pressurization group Pu 14, utilize these control valve 13 controls to help Pu 14 to this pressurization group Pu 14 or by the foam stream of bubble chamber 12 through this control valve 13 to this pressurization through this control valve 13 by the current of this water tank 11, these pressurization group Pu 14 other ends are connected to a flexible pipe 15, this flexible pipe 15 is connected to a spray gun 16 again, this spray gun 16 has an effluent switch 17, this spray gun 16 is placed on the bracing frame 18 in these casing 10 outsides, or other predeterminated position, respectively this bracing frame 18 is provided with an open-close on-off 19, and whether the startup at this this pressurization group Pu 14 of open-close on-off 19 controls.

This safety instrumentation comprises: a water return pipeline 20, one backwater change-over switch 30, one backwater starting switch 40, this water return pipeline 20 is arranged between this pressurization group Pu 14 and this flexible pipe 15, these water return pipeline 20 1 ends connect back this water tank 11, this backwater change-over switch 30 is arranged in this water return pipeline 20, switch current through this flexible pipe 15 to this spray gun 16, or the switching current return this water tank 11, this backwater starting switch 40 is arranged at this backwater change-over switch 30 tops, can make this backwater change-over switch 30 of switching touch this backwater starting switch 40 simultaneously, this backwater starting switch 40 starts this pressurization group Pu 14 actions.

It more than is the general introduction of structure, position and the interconnected relationship of each assembly of the utility model; Then, again with each combination of components of the utility model and expect the effect statement as the back of reaching:

As Fig. 3, Fig. 4 and shown in Figure 5, utilize above-mentioned assembly composition the utility model, when desiring to do test, whether confirm these control valve 13 positions earlier in the tram, only allow the water of this water tank 11 help Pu 14 through this pressurization.

Pull this backwater change-over switch 30 more upwards, touching this backwater starting switch 40 simultaneously allows pressurization group Pu 14 move, make the water of this water tank 11 help Pu 14 to this water return pipeline 20 via this pressurization, because this backwater change-over switch 30 is switched upwards, water can't be sprayed via this flexible pipe 15 to spray gun 16, but allow water get back to this water tank 11 by this water return pipeline 20.

So, the utility model can carry out the safety test that whether can normally use to extinguishing device, for making water form the test of a backflow, to save water resource, and can test in the original place, whether the extinguishing device placement space of need not worrying is enough, or other barrier or easy damp item are arranged, excellent in existing extinguishing device, directly water is sprayed, cause waste water resource, can't test in the original place with spray gun, the extinguishing device placement space is too small because must worry, or other barrier or easy damp item are arranged.

The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.

Claims

1. safety instrumentation, set up a safety instrumentation at former extinguishing device, this former extinguishing device comprises: a casing, be provided with a water tank in this casing, a bubble chamber connects a control valve respectively, this control valve other end connects a pressurization group Pu, this pressurization group Pu other end connects a flexible pipe, and this flexible pipe connects a spray gun; It is characterized in that: this safety instrumentation comprises: a water return pipeline, a backwater change-over switch, a backwater starting switch, this water return pipeline is arranged between this pressurization group Pu and this flexible pipe, this water return pipeline one end connects back this water tank, this backwater change-over switch is arranged in this water return pipeline, switch current through this flexible pipe to this spray gun, or switch current and return this water tank, this backwater starting switch starts this pressurization and helps the Pu.

2. safety instrumentation as claimed in claim 1 is characterized in that: this backwater starting switch is arranged at this backwater change-over switch top, switches this backwater change-over switch and touches this backwater starting switch simultaneously.