CN206513575U

CN206513575U - Self priming pump

Info

Publication number: CN206513575U
Application number: CN201720027456.6U
Authority: CN
Inventors: 蒋奇宏
Original assignee: Zhejiang Lian Lian Pump Industry Co Ltd
Current assignee: Zhejiang Lian Lian Pump Industry Co Ltd
Priority date: 2017-01-11
Filing date: 2017-01-11
Publication date: 2017-09-22
Anticipated expiration: 2027-01-11

Abstract

The utility model discloses a kind of self priming pump, including the pump housing, the pump housing has water inlet, delivery port, water filling port and dewatering outlet；Pump housing side is also equipped with motor；Liquid level sensor is provided with the pump housing, for detecting the liquid level in the pump housing and exporting corresponding liquid level signal；Temperature sensor is provided with the pump housing, for detecting the temperature of the pump housing and exporting corresponding temperature signal；The liquid level sensor and temperature sensor are electrically connected with warning device；The warning device includes motor detection circuit, comparison circuit, control circuit and cue circuit.The utility model has draining prompt facility.

Description

Self priming pump

Technical field

The utility model is related to a kind of water pump, more specifically, it relates to a kind of self priming pump.

Background technology

The operation principle of self priming pump is：Water is first filled in the pump housing before starting（Or itself have water in pump case）.After startup Rotation makes the current direction volute in impeller conduit to impeller at a high speed, at this moment entrance formation vacuum, makes to open into water non-return flap, suction line Interior air enters in pump, and reaches outer rim through impeller conduit.Self priming pump belongs to self priming centrifugal pump, and it has compact conformation, behaviour Work facilitates, operated steadily, safeguarding easy, efficiency high, long lifespan, and has the advantages that stronger suction capacity.In actual applications, If staff forgets to drain in the water in the pump housing, then when temperature is too low（Less than 0 degree）If, the dilutional hyponatremia in the pump housing, So water is expanded after icing, it is more likely that the pump housing can be caused to rupture.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of self priming pump, carried with draining Show function.

To achieve the above object, the utility model provides following technical scheme：

A kind of self priming pump, including the pump housing, the pump housing have water inlet, delivery port, water filling port and dewatering outlet；Pump housing side is also Motor is installed；Liquid level sensor is provided with the pump housing, for detecting the liquid level in the pump housing and exporting corresponding liquid level letter Number；Temperature sensor is provided with the pump housing, for detecting the temperature of the pump housing and exporting corresponding temperature signal；The liquid level Sensor and temperature sensor are electrically connected with warning device；The warning device includes：

Motor detection circuit, is electrically connected with the power input of the motor, for detecting the working condition of motor and defeated Go out corresponding motor status signal；

Comparison circuit, is electrically connected with temperature sensor to receive the temperature signal, and by the temperature signal with presetting Value is compared, and exports corresponding comparison signal according to comparative result；

Control circuit, respectively with the motor detection circuit and, liquid level sensor and comparison circuit electrically connect, with response to The motor status signal, liquid level signal and comparison signal export corresponding control signal；

Cue circuit, is electrically connected with control circuit, and alarm is carried out to receive and respond to the control signal.

Preferably, the motor detection circuit includes transformer, rectifier bridge, the mu balanced circuit being sequentially connected electrically；It is described to become The input of depressor is electrically connected with the power input of motor；The output end of the mu balanced circuit is electrically connected with control circuit.

Preferably, the comparison circuit includes comparator and reference circuit；The reference circuit is used to generate described preset Value；The in-phase end of the comparator is electrically connected with temperature sensor, and end of oppisite phase is electrically connected with reference circuit.

Preferably, the control circuit includes first and gate circuit, and described first has three inputs with gate circuit, and Three inputs are electrically connected with the motor detection circuit, liquid level sensor and comparison circuit respectively.

Preferably, the cue circuit includes：

One buzzer；

One first resistor, its one end is with controlling the output end of circuit to electrically connect to receive control signal；

One NPN triode, its base stage is electrically connected with the other end of first resistor, grounded emitter, colelctor electrode and buzzer VCC voltages are accessed after series connection.

Preferably, it is provided with switching circuit between the cue circuit and control circuit；The switching circuit includes first Not circuit, the second not circuit, second and gate circuit and the 3rd and gate circuit；Wherein, first not circuit is defeated Enter end and be connected with human inductor, the human inductor is arranged on the pump housing；Described second with gate circuit one of them is defeated Enter end to electrically connect with the output end of the first not circuit, the output end of another input and control circuit is believed to receive control Number；The input of second not circuit is electrically connected with second with the output end of gate circuit；Described 3rd with gate circuit its In an input electrically connected with the output end of the second not circuit, another input is with controlling the output end of circuit to receive Control signal, output end is electrically connected with cue circuit；

Also include the long-range transtation mission circuits of GSM, the triggering end of the long-range transtation mission circuits of GSM and the second output with gate circuit End electrical connection, with response to the second output signal work with gate circuit.

Compared with prior art, the utility model has the advantages that：By above technical scheme, shape is shut down when self priming pump is in During state, if the water in the pump housing is less than preset value more than preset value, and temperature, then alarm is carried out, to notify work people Member discharges water in time.

Brief description of the drawings

Fig. 1 is the overall structure figure of self priming pump in embodiment；

Fig. 2 is the module principle figure of warning device in embodiment；

Fig. 3 is the circuit diagram of motor detection circuit in embodiment；

Fig. 4 is the circuit diagram of comparison circuit in embodiment；

Fig. 5 is the circuit diagram of control circuit in embodiment；

Fig. 6 is the circuit diagram of cue circuit in embodiment；

Fig. 7 is switching circuit, the circuit diagram of the long-range transtation mission circuits of GSM in embodiment.

Reference：1st, the pump housing；11st, water inlet；12nd, delivery port；13rd, water filling port；14th, dewatering outlet；31st, level sensing Device；32nd, temperature sensor；4th, motor；100th, motor detection circuit；200th, comparison circuit；210th, reference circuit；300th, electricity is controlled Road；400th, cue circuit；500th, switching circuit；600th, the long-range transtation mission circuits of GSM.

Embodiment

With reference to embodiment and accompanying drawing, the utility model is described in further detail, but reality of the present utility model The mode of applying is not limited only to this.

Reference picture 1, a kind of self priming pump, including the pump housing 1, the pump housing 1 have water inlet 11, delivery port 12, water filling port 13 and Dewatering outlet 14；The side of the pump housing 1 is also equipped with motor 4；Liquid level sensor 31 is provided with the pump housing 1, for detecting the liquid in the pump housing 1 Position simultaneously exports corresponding liquid level signal Vy；Temperature sensor 32 is provided with the pump housing 1, temperature and output for detecting the pump housing 1 Corresponding temperature signal Vw.

Reference picture 2, warning device is used to be carried out according to liquid level signal Vy, temperature signal Vw and motor 4 running status Alarm；It is big that it mainly includes motor detection circuit 100, comparison circuit 200, control circuit 300 and cue circuit 400 4 Part, is introduced one by one below.

Reference picture 3, motor detection circuit 100 includes transformer T1, rectifier bridge Dx, the mu balanced circuit being sequentially connected electrically；Surely The model 7812 of volt circuit, transformer T1 input is electrically connected with the power input of motor 4；The output end of mu balanced circuit Electrically connected with control circuit 300；Therefore, when motor 4 starts, the voltage of its input is after conversion process, from voltage stabilizing electricity The output end output on road, is changed into motor status signal Vd；Motor status signal Vd is input in control circuit 300.

Reference picture 4, comparison circuit 200 includes comparator A1 and reference circuit；Reference circuit 210 includes the second electricity of series connection R2 and the 3rd R3 is hindered, the second resistance R2 other end is connected with VCC voltages, the 3rd resistor R3 other end is grounded, therefore, from the Two resistance R2 and 3rd resistor R3 tie point generation preset value Vref；Comparator A1 in-phase end is electrically connected with temperature sensor 32 Connect to receive temperature signal Vw, end of oppisite phase is electrically connected with reference circuit 210.Therefore, when temperature signal Vw is higher than preset value, than Compared with the comparison signal Vp that device A1 exports high level.

Reference picture 5, in one embodiment, control circuit 300 include first and gate circuit N1, and first has with gate circuit N1 There are three inputs, and three inputs are electrically connected with motor detection circuit 100, liquid level sensor 31 and comparison circuit 200 respectively Connect.In this way, only when motor status signal Vd, liquid level signal Vy, comparison signal Vp are high level, first and gate circuit N1 Export the control signal Vc of high level.

Reference picture 6, cue circuit 400 includes buzzer B1, first resistor R1 and NPN triode Q1；Wherein, the first electricity R1 one end is hindered with controlling the output end of circuit 300 to electrically connect to receive control signal Vc；The base stage of NPN triode Q1 and first Resistance R1 other end electrical connection, grounded emitter, colelctor electrode accesses VCC voltages after being connected with buzzer B1.Therefore, NPN is worked as Triode Q1 base stage is turned on when receiving the control signal Vc of high level so that buzzer B1 is powered and sends prompt tone.

Reference picture 7, in another embodiment, switching circuit is provided between cue circuit 400 and control circuit 300 500；Switching circuit 500 includes the first not circuit N4, the second not circuit N5, second and gate circuit N2 and the 3rd and door electricity Road N3；Wherein, the first not circuit N4 input is connected with human inductor, and human inductor is arranged on the pump housing 1；Second Electrically connected with gate circuit N2 one of input with the first not circuit N4 output end, another input and control electricity The output end on road 300 is to receive control signal Vc；The output end of second not circuit N5 input and second and gate circuit N2 Electrical connection；3rd electrically connects with gate circuit N3 one of input with the second not circuit N5 output end, and another is defeated Enter end with the output end of control circuit 300 to receive control signal Vc, output end is electrically connected with cue circuit 400.

In addition, the second triggering end with gate circuit N2 output end also with the long-range transtation mission circuits of GSM 600 is electrically connected, should The long-range transtation mission circuits 600 of GSM include processor, gsm module；When processor receives the signal of high level, then GSM moulds are controlled Block works, with to the sending short message by mobile phone of staff.

Therefore, when having staff around self priming pump, then alarmed by cue circuit 400；The nothing around self priming pump During staff, then alarmed by the long-range transtation mission circuits 600 of GSM.

Claims

1. a kind of self priming pump, including the pump housing (1), the pump housing (1) have water inlet (11), delivery port (12), water filling port (13) and Dewatering outlet (14)；The pump housing (1) side is also equipped with motor (4)；It is characterized in that, it is provided with liquid level sensor in the pump housing (1) （31）, for detecting the liquid level in the pump housing (1) and exporting corresponding liquid level signal；TEMP is provided with the pump housing (1) Device (32), for detecting the temperature of the pump housing (1) and exporting corresponding temperature signal；The liquid level sensor（31）And TEMP Device (32) is electrically connected with warning device；The warning device includes：

Motor detection circuit (100), is electrically connected with the power input of the motor (4), the work shape for detecting motor (4) State simultaneously exports corresponding motor status signal；

Comparison circuit (200), electrically connects to receive the temperature signal with temperature sensor (32), and by the temperature signal with Preset value is compared, and exports corresponding comparison signal according to comparative result；

Circuit (300) is controlled, respectively with the motor detection circuit (100), liquid level sensor（31）With comparison circuit (200) electricity Connection, to export corresponding control signal in response to the motor status signal, liquid level signal and comparison signal；

Cue circuit (400), is electrically connected with control circuit (300), is carried with receiving and responding to the control signal progress alarm Show.

2. self priming pump according to claim 1, it is characterized in that, the motor detection circuit (100) includes being sequentially connected electrically Transformer, rectifier bridge, mu balanced circuit；The input of the transformer is electrically connected with the power input of motor (4)；It is described steady The output end of volt circuit is electrically connected with control circuit (300).

3. self priming pump according to claim 1, it is characterized in that, the comparison circuit (200) includes comparator and benchmark electricity Road（210）；The reference circuit（210）For generating the preset value；The in-phase end and temperature sensor of the comparator (32) electrically connect, end of oppisite phase and reference circuit（210）Electrical connection.

4. self priming pump according to claim 1, it is characterized in that, the control circuit (300) includes first and gate circuit, institute State first has three inputs with gate circuit, and three inputs respectively with the motor detection circuit (100), level sensing Device（31）With comparison circuit (200) electrical connection.

5. self priming pump according to claim 1, it is characterized in that, the cue circuit (400) includes：

One buzzer；

One first resistor, its one end is electrically connected to receive control signal with the output end of control circuit (300)；

One NPN triode, its base stage is electrically connected with the other end of first resistor, and grounded emitter, colelctor electrode is connected with buzzer VCC voltages are accessed afterwards.

6. self priming pump according to claim 1, it is characterized in that, between the cue circuit (400) and control circuit (300) It is provided with switching circuit (500)；It is electric that the switching circuit (500) includes the first not circuit, the second not circuit, second and door Road and the 3rd and gate circuit；Wherein, the input of first not circuit is connected with human inductor, the human body sensing Device is arranged on the pump housing (1)；Described second is electrically connected with the output end of the one of input and the first not circuit of gate circuit Connect, another input is with controlling the output end of circuit (300) to receive control signal；The input of second not circuit Electrically connected with second with the output end of gate circuit；Described 3rd with one of input of gate circuit and the second not circuit Output end is electrically connected, and another input is with the output end of control circuit (300) to receive control signal, and output end is with pointing out electricity Road (400) is electrically connected；

Also include the long-range transtation mission circuits of GSM (600), triggering end and second and the gate circuit of the long-range transtation mission circuits of GSM (600) Output end electrical connection, to be worked in response to second with the output signal of gate circuit.