CN203770115U - Protector of water pump in running without water - Google Patents
Protector of water pump in running without water Download PDFInfo
- Publication number
- CN203770115U CN203770115U CN201420192992.8U CN201420192992U CN203770115U CN 203770115 U CN203770115 U CN 203770115U CN 201420192992 U CN201420192992 U CN 201420192992U CN 203770115 U CN203770115 U CN 203770115U
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- CN
- China
- Prior art keywords
- switch
- protector
- water
- float
- mentioned
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- 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.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 230000001012 protector Effects 0.000 title claims abstract description 68
- 230000003028 elevating effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008034 disappearance Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 238000009841 combustion method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The utility model discloses a water pump running protection device, in particular discloses a protector of a water pump in running without water. The protector comprises a protector main body, wherein a water passing chamber and a switch containing chamber which are relatively sealed are arranged on the protector main body; a floater which can ascend and descend is arranged in the water passing chamber; a microswitch which can be switched according to the lifting change of the floater is arranged in the switch containing chamber; when the floater is lifted to exceed the top of the water passing chamber, the microswitch is in an energizing state; a power line input terminal and a power line output terminal are electrically connected to leading pins of the microswitch and are both led out of the protector. According to the protector disclosed by the utility model, the technical problem that a protection function of the water pump in the running without the water is not realized if the water pump does not directly contact with a water source is solved, so that the function protection of the water pump in the running without the water can be realized by matching with the protector while the water pump does not need to directly contact with the water source.
Description
Technical field
The utility model relates to a kind of water pump operation protective gear, particularly a kind of Waterless running protector for water pump.
Background technique
If water pump continues operation work in pipeline in anhydrous situation, will there will be dry-fire condition, affect water pump working life.In order to solve the technical problem of above-mentioned middle appearance; some water pumps with dry-run protection function have been there are on the market at present; as adopt the anhydrous protecting components such as switch or dry reed-pipe; when in concrete use, in the pump housing, non-water flow has passed through, its power part branch is automatically out of service to avoid occurring the situation of dry combustion method operation.But such above-mentioned water pump more need to have directly and contact with water source, its anhydrous protective function can normally be realized, with significantly using narrow limitation.Therefore, developing a kind of Waterless running protector for water pump is new problem anxious to be resolved.
Model utility content
The purpose of this utility model is in order to solve above-mentioned the deficiencies in the prior art, to provide a kind of can be connected on water feeding of water pump pipeline, to carry out the Waterless running protector for water pump of dry-run protection on this pipeline as the water pump of power source.
To achieve these goals, the Waterless running protector for water pump that the utility model is designed, comprise protector main body, protector main body in above-mentioned is provided with water chamber and the switch accommodating chamber excessively of relative sealing, wherein in above-mentioned crossing in water chamber, be provided with the float that can do elevating movement, in above-mentioned switch accommodating chamber, be provided with and can realize the sensitive switch that state switches according to the eustasy of float, when float rose to water chamber top, sensitive switch in above-mentioned is on state, and on the pin of this sensitive switch, be electrically connected with power line input end and power line output terminal, and all draw outside protector main body.
Power line one end access civil power on above-mentioned middle Waterless running protector for water pump; its the other end is directly plugged on the supply hub of water pump; the sensitive switch that can carry out state switching according to the eustasy of crossing float in water chamber of also having connected in said power; when float rose to water chamber top; sensitive switch in above-mentioned is on state; otherwise, be off state.Therefore; above-mentioned middle provided Waterless running protector for water pump is serially connected on the intake pipe of water pump; served as in water chamber and had water to pass through, while impelling float to rise to the top of water chamber, sensitive switch is on state; water pump can normally be worked; but served as anhydrous passing through in water chamber, when float dropped to the bottom of water chamber because of self gravitation, sensitive switch is off state; power line cannot continue as water pump power supply, and water pump is out of service.So, after above-mentioned middle provided Waterless running protector for water pump and water pump cooperating, water pump itself, just without directly contacting with water source, still but can be good at possessing anhydrous protective function, in avoiding using, occurs dry combustion method phenomenon.
As a kind of preferred version, the structure that sensitive switch in above-mentioned is realized state switching according to the eustasy of float is: on the end face of described float, be embedded with the first magnet, in above-mentioned switch accommodating chamber, be provided with a slide bar guiding groove, in this slide bar guiding groove, be provided with the slide bar that can do elevating movement, corresponding first magnet in one end of above-mentioned slide bar, and on this end, be embedded with second magnet contrary with the first magnet magnetic, the contact of the corresponding sensitive switch of its other end, and all the time with contact apical grafting, when float rose to water chamber top, slide bar one end of above-mentioned middle corresponding sensitive switch contact compresses the contact of sensitive switch.While having water to pass through in above-mentioned middle provided protector: float rose to the top of water chamber because of buoyancy of water; its first magnet of being embedded of top moves up because of the slide bar that magnet principle of same-sex repulsion promotes to be embedded with the second magnet; thereby the contact on pressing sensitive switch, makes the power line On current that is in series with sensitive switch that water pump is normally worked.In protector anhydrous by time float decline because of the buoyancy nature that disappears, now the first magnet is to the repulsive force of the second magnet also synchronous disappearance just, thereby slide bar is fallen after rise rapidly, the sensitive switch contact that script pressing resets, and cuts off the electricity supply.In order to make the sensitive switch of this Waterless running protector can also be directly by manually carrying out switching state, promote the service behaviour of above-mentioned protector, this Waterless running protector has also comprised that one by push-button switch seat, push-button switch cap, the push-Button switch assembly that push-button switch and Returnning spring form, wherein push-button switch seat is fixed in switch accommodating chamber, the outer side wall of push-button switch cap penetrating switch accommodating chamber the flange by edge under push-button switch cap carry out spacing, alter the push-button switch that connects Returnning spring and be positioned at push-button switch seat, and its tail end runs through the bottom surface of push-button switch seat, its head plug is connected in push-button switch cap, on the tail end side of above-mentioned middle push-button switch, be also formed with first conical surface, on above-mentioned middle slide bar, the bottom surface of one end, corresponding sensitive switch contact is formed with the second cone structure, the first described conical surface is parallel between the two with second conical surface, and be transmission connecting structure.
In switch accommodating chamber in above-mentioned, the Hall transducer that can judge float eustasy can be set, replace in switch accommodating chamber the slide bar in slide bar guiding groove and realize by this slide bar the sensitive switch that state switches.While having water to pass through in the water chamber excessively of this protector; float rose to the top of water chamber because of buoyancy of water; now because float top is embedded with the first magnet; make the trigger on the Hall transducer in switch accommodating chamber send a control signal; as long as corresponding install a receiver on water pump, just can realize water pump dry-run protection like this.
Hall transducer in above-mentioned is a kind of sensor of routine, is well known to those skilled in the art, therefore claimant is seldom described in detail it at this.
As another kind of preferred version, the structure that sensitive switch in above-mentioned is realized state switching according to the eustasy of float is: on the sidewall of described water chamber excessively, sealing is penetrated with a seesaw, one end of this seesaw be positioned at float directly over, its the other end be positioned at sensitive switch contact directly over, when float rose to water chamber top, the sensitive switch corresponding end of above-mentioned middle seesaw is depressed the contact of sensitive switch.While having water to pass through in above-mentioned provided protector, float directly promotes seesaw because of the top that buoyancy of water rose to water chamber, the other end of seesaw will be depressed the contact on sensitive switch, makes the power line On current that is in series with sensitive switch that water pump is normally worked; In protector during anhydrous passing through; float is because of the decline of buoyancy disappearance nature; float disappears to the top lift of seesaw; synchronous seesaw also disappears in the lump to the pressure on the contact of sensitive switch; the contact of sensitive switch and seesaw will reset automatically; be in series with the power line first reading turnoff state of sensitive switch, civil power stops as water pump power supply, and water pump has also just quit work.
The Waterless running protector for water pump that the utility model obtains has in use been connected on the intake pipe of water pump, the water pump that has therefore coordinated above-mentioned protector to use, and it is without directly contacting just and can realize dry-run protection function with water source.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 Waterless running protector for water pump that provides;
Fig. 2 is that embodiment 1 provides in Waterless running protector for water pump and has water by the sectional schematic diagram under state;
Fig. 3 be embodiment 1 provide anhydrous by the sectional schematic diagram under state in Waterless running protector for water pump;
Fig. 4 is that embodiment 2 provides in Waterless running protector for water pump and has water by the sectional schematic diagram under state;
Fig. 5 be embodiment 2 provide anhydrous by the sectional schematic diagram under state in Waterless running protector for water pump;
Fig. 6 is the local enlarged diagram at A place in Fig. 5;
Fig. 7 is the structural representation of embodiment 3 Waterless running protector for water pump that provides;
Fig. 8 is the structural representation of embodiment 4 Waterless running protector for water pump that provides;
Fig. 9 is the structural representation of embodiment 5 Waterless running protector for water pump that provides.
In figure: protector main body 1, cross the 1-1 of water chamber, switch accommodating chamber 1-2, water intake 1-3, water outlet 1-4, slide bar guiding groove 1-5, float 2, the first magnet 3, slide bar 4, the second conical surface 4-1, the second magnet 5, sensitive switch 6, contact 6-1, power line input end 7-1, power line output terminal 7-2, push-Button switch assembly 8, push-button switch seat 8-1, push-button switch cap 8-2, push-button switch 8-3, Returnning spring 8-4, tail end 8-5, head 8-6, the first conical surface 8-7, flange 8-8, Hall transducer 9, rubber seal seat 10, seesaw 11, lever 12.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As Figure 1-3, a kind of Waterless running protector for water pump providing in the present embodiment, comprise protector main body 1, protector main body 1 in above-mentioned is provided with the 1-1 of water chamber and the switch accommodating chamber 1-2 excessively of relative sealing, wherein in the above-mentioned bottom of crossing the 1-1 of water chamber, be provided with water intake 1-3, its top is provided with water outlet 1-4, and in the 1-1 of Gai Guo water chamber, be also provided with the float 2 that can do elevating movement, on the end face of described float 2, be embedded with the first magnet 3, in above-mentioned switch accommodating chamber 1-2, be provided with a slide bar guiding groove 1-5 and be installed with a sensitive switch 6, on the pin of this sensitive switch 6, be electrically connected with power line input end 7-1 and power line output terminal 7-2, and all draw outside protector main body 1, in slide bar guiding groove 1-5 in above-mentioned, be provided with the slide bar 4 that can do elevating movement, corresponding first magnet 3 in one end of above-mentioned slide bar 4, and on this end, be embedded with second magnet 5 contrary with the first magnet 3 magnetic, the contact 6-1 of the corresponding sensitive switch 6 of its other end, and all the time with contact 6-1 apical grafting, when float 2 rose to the 1-1 of water chamber top, slide bar 4 one end of above-mentioned middle corresponding sensitive switch 6 contact 6-1 compress the contact 6-1 of sensitive switch 6.While having water to pass through in above-mentioned middle provided protector: float 2 rose to the top of the 1-1 of water chamber because of buoyancy of water, its first magnet 3 of being embedded of top moves up because of the slide bar 4 that magnet principle of same-sex repulsion promotes to be embedded with the second magnet 5, thereby the contact 6-1 on pressing sensitive switch 6, makes the power line On current that is in series with sensitive switch 6 that water pump is normally worked; In protector anhydrous by time float 2 because of the buoyancy nature decline that disappears; now also just synchronous disappearance of the repulsive force of 3 pairs of the second magnets 5 of the first magnet; thereby slide bar 4 is fallen after rise rapidly, and the sensitive switch 6 contact 6-1 that pressing originally reset, and cut off the electricity supply.
Embodiment 2:
A kind of Waterless running protector for water pump providing in the present embodiment, its general structure is consistent with embodiment 1, but in order to make the sensitive switch 6 of this Waterless running protector can also be directly by manually carrying out switching state, promote its service behaviour, as Figure 4-Figure 6, Waterless running protector in the present embodiment has also comprised that one by push-button switch seat 8-1, push-button switch cap 8-2, the push-Button switch assembly 8 that push-button switch 8-3 and Returnning spring 8-4 form, wherein push-button switch seat 8-1 is fixed in switch accommodating chamber 1-2, the outer side wall of push-button switch cap 8-2 penetrating switch accommodating chamber 1-2 the flange 8-8 by edge under push-button switch cap 8-2 carry out spacing, alter the push-button switch 8-3 that connects Returnning spring 8-4 and be positioned at push-button switch seat 8-1, and its tail end 8-5 runs through the bottom surface of push-button switch seat 8-1, its head 8-6 plug is connected in push-button switch cap 8-2, on the tail end 8-5 side of above-mentioned middle push-button switch 8-3, be also formed with the first conical surface 8-7, on above-mentioned middle slide bar 4, the bottom surface of corresponding sensitive switch 6 6-1 one end, contact is formed with the second conical surface 4-1 structure, the first described conical surface 8-7 is parallel between the two with the second conical surface 4-1, and be transmission connecting structure.
Embodiment 3:
As shown in Figure 7, a kind of Waterless running protector for water pump providing in the present embodiment, comprise protector main body 1, protector main body 1 in above-mentioned is provided with the 1-1 of water chamber and the switch accommodating chamber 1-2 excessively of relative sealing, wherein in above-mentioned crossing in the 1-1 of water chamber, be provided with the float 2 that can do elevating movement, on the end face of described float 2, be embedded with the first magnet 3, at above-mentioned switch accommodating chamber 1-2, be provided with the Hall transducer 9 that can judge float 2 eustasies, this Hall transducer 9 be positioned at float 2 directly over, while having water to pass through in the 1-1 of water chamber excessively of this protector, float 2 rose to the top of the 1-1 of water chamber because of buoyancy of water, the magnetic field of now being sent by the first magnet 3 approaches Hall semiconductor, produce a Hall voltage, its trigger will send a control signal, like this as long as corresponding install a receiver on water pump, just dry-run protection can have been realized.
Embodiment 4:
As shown in Figure 8, a kind of Waterless running protector for water pump providing in the present embodiment, comprise protector main body 1, protector main body 1 in above-mentioned is provided with the 1-1 of water chamber and the switch accommodating chamber 1-2 excessively of relative sealing, wherein in above-mentioned crossing in the 1-1 of water chamber, be provided with the float 2 that can do elevating movement, and on the sidewall of the 1-1 of Gai Guo water chamber, also offer a slotted eye, in this slotted eye, plug is connected to a rubber seal seat 10, in this rubber seal seat 10, be penetrated with a seesaw 11, one end of this seesaw 11 be positioned at float 2 directly over, in above-mentioned switch accommodating chamber 1-2, be provided with sensitive switch 6, the other end of above-mentioned seesaw 11 be positioned at sensitive switch 6 contact 6-1 directly over.When float 2 rose to the 1-1 of water chamber top, sensitive switch 6 corresponding end of above-mentioned middle seesaw 11 are depressed the contact 6-1 on sensitive switch 6, make the power line On current that is in series with sensitive switch 6 that water pump is normally worked; In protector during anhydrous passing through; float 2 is because of the decline of buoyancy disappearance nature; the top lift of 2 pairs of seesaws 11 of float disappears; pressure on the contact 6-1 of synchronous 11 pairs of sensitive switches 6 of seesaw also disappears in the lump; contact 6-1 and the seesaw 11 of sensitive switch 6 will reset automatically; the power line that is in series with sensitive switch 6 forms turnoff state, and civil power stops as water pump power supply, and water pump has also just quit work.
Embodiment 5:
As shown in Figure 9, a kind of Waterless running protector for water pump providing in the present embodiment, comprise protector main body 1, in above-mentioned middle protector main body 1, be provided with the 1-1 of water chamber and the switch accommodating chamber 1-2 excessively of relative sealing, wherein in above-mentioned crossing in the 1-1 of water chamber, be provided with the float 2 that can do elevating movement, on the end face of described float 2, be embedded with the first magnet 3, in above-mentioned switch accommodating chamber 1-2, be hinged with a lever 12 and be installed with a sensitive switch 6, wherein one end of above-mentioned lever 12 be positioned at float 2 directly over, and on this end, be also provided with second magnet 9 contrary with above-mentioned the first magnet 3 magnetic, its the other end be positioned at sensitive switch 6 contact 6-1 directly over.When float 2 rose to the 1-1 of water chamber top, sensitive switch 6 corresponding end of above-mentioned middle lever 12 are depressed the contact 6-1 on sensitive switch 6, make the power line On current that is in series with sensitive switch 6 that water pump is normally worked; In protector during anhydrous passing through; float 2 is because of the decline of buoyancy disappearance nature; the top lift of 2 pairs of levers 12 of float disappears; pressure on synchronous 12 pairs of sensitive switches of lever, 6 contact 6-1 also disappears in the lump; contact 6-1 and the lever 12 of sensitive switch 6 will reset automatically; the power line that is in series with sensitive switch 6 forms turnoff state, and civil power stops as water pump power supply, and water pump has also just quit work.
Claims (5)
1. a Waterless running protector for water pump, comprise protector main body (1), what it is characterized in that protector main body (1) in above-mentioned is provided with relative sealing crosses water chamber (1-1) and switch accommodating chamber (1-2), wherein in above-mentioned crossing in water chamber (1-1), be provided with the float (2) that can do elevating movement, in above-mentioned switch accommodating chamber (1-2), be provided with and can realize the sensitive switch (6) that state switches according to the eustasy of float (2), when float (2) rose to water chamber (1-1) top, sensitive switch in above-mentioned (6) is on state, and on the pin of this sensitive switch (6), be electrically connected with power line input end (7-1) and power line output terminal (7-2), and all draw outside protector main body (1).
2. a kind of Waterless running protector for water pump according to claim 1, it is characterized in that sensitive switch (6) in above-mentioned realizes according to the eustasy of float (2) structure that state switches and be: on the end face of described float (2), be embedded with the first magnet (3), in above-mentioned switch accommodating chamber (1-2), be provided with a slide bar guiding groove (1-5), in this slide bar guiding groove (1-5), be provided with the slide bar (4) that can do elevating movement, corresponding first magnet (3) in one end of above-mentioned slide bar (4), and on this end, be embedded with second magnet (5) contrary with the first magnet (3) magnetic, the contact (6-1) of the corresponding sensitive switch of its other end (6), and all the time with contact (6-1) apical grafting, when float (2) rose to water chamber (1-1) top, slide bar (4) one end of above-mentioned middle corresponding sensitive switch (6) contact (6-1) compresses the contact (6-1) of sensitive switch (6).
3. a kind of Waterless running protector for water pump according to claim 1, it is characterized in that sensitive switch (6) in above-mentioned realizes according to the eustasy of float (2) structure that state switches and be: on the described sidewall of crossing water chamber (1-1), sealing is penetrated with a seesaw (11), one end of this seesaw (11) be positioned at float (2) directly over, its the other end be positioned at sensitive switch (6) contact (6-1) directly over, when float (2) rose to water chamber (1-1) top, sensitive switch (6) corresponding end of above-mentioned middle seesaw (11) is depressed the contact (6-1) of sensitive switch (6).
4. a kind of Waterless running protector for water pump according to claim 2, it is characterized in that this protector has also comprised that one by push-button switch seat (8-1), push-button switch cap (8-2), the push-Button switch assembly (8) that push-button switch (8-3) and Returnning spring (8-4) form, wherein push-button switch seat (8-1) is fixed in switch accommodating chamber (1-2), the outer side wall of push-button switch cap (8-2) penetrating switch accommodating chamber (1-2) is also undertaken spacing by the flange (8-8) on the lower edge of push-button switch cap (8-2), alter the push-button switch (8-3) that connects Returnning spring (8-4) and be positioned at push-button switch seat (8-1), and its tail end (8-5) runs through the bottom surface of push-button switch seat (8-1), its head (8-6) plug is connected in push-button switch cap (8-2), on tail end (8-5) side of above-mentioned middle push-button switch (8-3), be also formed with first conical surface (8-7), the bottom surface of one end, upper corresponding sensitive switch (6) contact (6-1) of above-mentioned middle slide bar (4) is formed with second conical surface (4-1) structure, described first conical surface (8-7) is parallel between the two with second conical surface (4-1), and be transmission connecting structure.
5. a kind of Waterless running protector for water pump according to claim 2; it is characterized in that: in the switch accommodating chamber (1-2) in above-mentioned, be provided with the sensitive switch (6) that the Hall transducer (9) that can judge float (2) eustasy replaces the slide bar (4) in slide bar guiding groove (1-5) in switch accommodating chamber (1-2) and realizes state switching by this slide bar (4), the Hall transducer (9) in above-mentioned be positioned at float (2) directly over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192992.8U CN203770115U (en) | 2014-04-21 | 2014-04-21 | Protector of water pump in running without water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192992.8U CN203770115U (en) | 2014-04-21 | 2014-04-21 | Protector of water pump in running without water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770115U true CN203770115U (en) | 2014-08-13 |
Family
ID=51287312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420192992.8U Expired - Lifetime CN203770115U (en) | 2014-04-21 | 2014-04-21 | Protector of water pump in running without water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770115U (en) |
-
2014
- 2014-04-21 CN CN201420192992.8U patent/CN203770115U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |