CN114076345B - Temperature difference type flow control device for secondary heat supply pipe network - Google Patents

Abstract

The invention relates to a flow control device, in particular to a temperature difference type flow control device for a secondary heat supply pipe network, which comprises a water heater, a water pipe, a connecting disc and the like, wherein the water outlet end of the water heater is communicated with the water pipe, and the tail end of the lower part of the water pipe is communicated with the connecting disc. When the device is installed on a wall, people need to use water, the water is discharged into the cleaning mechanism, the purifying agent is poured into the cleaning mechanism, the cleaning mechanism can remove impurities in the water through the purifying agent, the water after removing the impurities is pumped into the water heater to be heated, the heated water is discharged through the water pipe to be used by people, and when the temperature of the water in the water pipe is reduced, the water control mechanism can enable the water to be pumped into the water heater by the circulating pump to be heated again, so that the phenomenon that the use of people is influenced by the too low temperature of the water can be avoided, and the uncomfortable skin caused by the impurities can be avoided.

Description

Temperature difference type flow control device for secondary heat supply pipe network

Technical Field

The invention relates to a flow control device, in particular to a temperature difference type flow control device for a secondary heating pipe network.

Background

When the water is continuously used by people in the use process of the secondary heat supply pipe network, the secondary heat supply pipe network can continuously heat the water, so that the water reaches the specified temperature, the use of people is facilitated, and the influence of the too low temperature of the water on the use of people is avoided.

The chinese patent with application number of cn201020626096.X discloses a secondary heating pipe network temperature difference type flow control system, which comprises an outdoor temperature collector, a secondary water return pressure sensor, a secondary water supply and return temperature collector, a frequency converter, a secondary circulating pump and a controller. The outdoor temperature collector, the secondary backwater pressure sensor, the secondary water supply temperature collector, the secondary backwater temperature collector and the frequency converter are respectively connected with the controller, the frequency converter is connected with the secondary circulating pump, the controller collects the outdoor temperature, the secondary backwater pressure and various parameters of the secondary water supply and backwater temperature, and outputs corresponding frequency conversion adjusting signals to the frequency converter, and the frequency converter carries out frequency conversion adjustment on the secondary circulating pump. The temperature difference type flow control system of the secondary heat supply pipe network has the advantages that: the circulating pump operation parameters can be adjusted in real time according to the heat requirements of individual metering users and common users and the outdoor temperature, the reasonable operation pressure and operation temperature difference are determined, the operation frequency of the circulating pump is adjusted, the pressure stability of the system is guaranteed, the electric energy consumption is saved, the temperature difference of water can be controlled, but impurities in the water cannot be removed, and uncomfortable phenomenon is easy to occur when the impurities are contacted with the skin of a person.

Therefore, it is necessary to design and develop a secondary heating pipe network temperature difference type flow control device which can control the temperature difference of water, remove impurities in water and avoid uncomfortable phenomenon of skin.

Disclosure of Invention

In order to overcome the defects that the temperature difference of water can be controlled, but impurities in the water cannot be removed, so that uncomfortable phenomenon is easy to occur when the impurities are contacted with human skin, the invention provides the temperature difference type flow control device for the secondary heating pipe network, which can be used for controlling the temperature difference of the water, removing the impurities in the water and avoiding uncomfortable phenomenon of human skin.

The invention is realized by the following technical approaches:

the utility model provides a secondary heat supply pipe network temperature difference type flow control device, including the water heater, the raceway, the connection pad, the go-between, the wet return, circulating pump, accuse water mechanism and clean mechanism, the play water end intercommunication of water heater has the raceway, raceway lower part tail end intercommunication has the connection pad, the cross-under of connection pad right flank rotation has the go-between, be connected with the accuse water mechanism that is used for controlling water between connection pad and the delivery pipe, accuse water mechanism is connected with the go-between, connection pad right-hand member intercommunication has the wet return, wet return tail end communicates with the water inlet end of water heater, circulating pump is installed on wet return upper portion, wet return right-hand member is connected with the clean mechanism that is used for cleaing away aquatic impurity.

Further, the water control mechanism comprises a control block, an adjusting rod, a connecting rod, an electric sliding rail, n-shaped blocks, first fixing rings and a temperature sensor, wherein two first fixing rings are fixedly connected to the right side of the lower portion of the outer side of the water pipe along the circumferential direction, the temperature sensor is arranged between the outer tops of the two first fixing rings, the bottom end of the temperature sensor penetrates through the lower portion of the water pipe, six control blocks for controlling water are connected to the inner side of the connecting disc along the circumferential direction in a sliding mode, the middle of the outer side of the right side of the control block is fixedly connected with the adjusting rod, the right end of the adjusting rod is in sliding connection with the left side face of the connecting ring, the connecting rod is fixedly connected to the lower side of the middle of the right side face of the connecting ring, the electric sliding rail is arranged in the middle of the lower portion of the outer side of the connecting disc, the n-shaped blocks for driving the connecting rod to move are arranged on moving parts of the electric sliding rail, and the n-shaped blocks are sleeved on the connecting rod.

Further, clean mechanism is including the water tank, first outlet pipe, the inlet tube, first charging frame, the connecting plate, first connecting block, the second connecting block, the breakwater, gear motor, third connecting block and start button, return pipe right side lower part intercommunication has first outlet pipe, first outlet pipe tail end intercommunication has the water tank, open in the middle of the water tank top front side has the feed inlet, the intercommunication has the inlet tube in the middle of the water tank top, lower part has the connecting plate along circumference rigid coupling, the connecting plate middle part is uncovered setting, the symmetry rigid coupling has first connecting block around connecting plate top both sides, connecting plate top front side bilateral symmetry rigid coupling has gear motor, gear motor's output shaft tip runs through two first connecting blocks that correspond, gear motor's output shaft rear side is equipped with the second connecting block along circumference fixed cover, second connecting block tail end rigid coupling has the breakwater that is used for blocking water in the water tank, sliding formula cross-under the water tank front side has the first charging frame that is used for collecting the impurity that deposits in the middle of the lower part, the third connecting block bottom is installed in the middle of the third connecting block.

Further, the water purifying device further comprises a feeding mechanism for adding the water purifying agent, the feeding mechanism comprises a second feeding frame, a plug, a striker plate, a first connecting spring, a fourth connecting block, an electric push rod, a fifth connecting block and a liquid level sensor, wherein the second feeding frame is fixedly connected in the middle of the front side of the outer top of the water tank, the second feeding frame is communicated with a feeding hole of the water tank, the striker plate for blocking the water purifying agent is fixedly connected in the middle of the lower parts of the left side and the right side in the second feeding frame, the first connecting spring is connected between the outer side of the striker plate and the inner side of the second feeding frame, the fourth connecting block is fixedly connected on the front side of the top of the striker plate on the left side and the right side, the plug is plugged in the middle of the top of the second feeding frame, the electric push rod is fixedly connected in the middle of the front side of the inner side of the second feeding frame, the fifth connecting block for driving the fourth connecting block to move outwards is fixedly connected with the telescopic rod end of the electric push rod, the fifth connecting block is contacted with the two fourth connecting blocks, the liquid level sensor is mounted in the middle of the rear side of the outer top of the water tank, and the liquid level sensor penetrates through the top of the water tank.

Further, the limiting mechanism comprises a limiting block, a clamping block, a sixth connecting block, clamping blocks and second connecting springs, wherein the limiting block is fixedly connected in the middle of the lower part of the outer front side face of the water tank, the limiting block is used for limiting the first charging frame in a sliding type through connection mode, the lower part of the rear side face of the clamping block is contacted with the first charging frame, the clamping block moves upwards to be contacted with a starting button, the sixth connecting block is fixedly connected to the lower part of the outer front side face of the water tank in a bilateral symmetry mode, the sixth connecting block is located below the limiting block, the clamping blocks are used for limiting the clamping blocks in an embedded type sliding mode between the two sixth connecting blocks, the clamping blocks are contacted with the clamping blocks, and the second connecting springs are connected between the left side and the right side of the inner front side face of the clamping blocks and the front side of the sixth connecting blocks on the left side and the right side respectively.

Further, the device also comprises a speed regulating mechanism for improving the power of the circulating pump, the speed regulating mechanism comprises an outdoor temperature sensor, a seventh connecting block and an adjusting button, the outdoor temperature sensor is arranged in the middle of the front side of the circulating pump, the seventh connecting block is fixedly connected to the front part of the right side of the bottom in the connecting disc, the adjusting button is arranged on the upper part of the rear side surface of the seventh connecting block, and the n-type block moves forwards to be in contact with the adjusting button.

Further, the self-cleaning mechanism for removing impurities on the inner wall of the water delivery pipe and the water return pipe is further arranged, the self-cleaning mechanism comprises a second fixing ring, a first electromagnetic valve, a second water outlet pipe, a third fixing ring, a second electromagnetic valve and a start key, the middle of the lower part of the outer front side surface of the water heater is provided with the second fixing ring, the outer sides of the two ends of the rear side of the upper part of the water delivery pipe are fixedly connected with the second fixing ring, the first electromagnetic valve is arranged between the two ends of the inner side of the second fixing ring, the right part of the water return pipe is communicated with the second water outlet pipe, the front part of the outer side of the second water outlet pipe is fixedly connected with the third fixing ring along the circumferential direction, the second electromagnetic valve for controlling water in the second water outlet pipe is arranged between the two ends of the inner side of the third fixing ring, and the start key is arranged in the middle of the lower part of the outer front side surface of the water heater.

Further, the intelligent water heater comprises a control box, wherein the control box is arranged at the outer bottom of the water heater, the control box comprises a switching power supply, a power supply module and a control module, the switching power supply supplies power for the temperature difference type flow control device of the secondary heating pipe network, the output end of the switching power supply is electrically connected with the power supply module, a power supply main switch is connected to the power supply module through a circuit, the power supply module and the control module are electrically connected, a DS1302 clock circuit and a 24C02 circuit are connected to the control module, a starting button, an adjusting button, a temperature sensor, a liquid level sensor, a starting key and an outdoor temperature sensor are electrically connected with the control module, and a circulating pump, an electric sliding rail, an electric push rod, a speed reducing motor, a first electromagnetic valve and a second electromagnetic valve are electrically connected with the control module through peripheral circuits.

Compared with the prior art, the invention has the remarkable advantages that:

1. install this device on the wall, when people need use water, in will water drainage clean mechanism, pour the purifying agent into clean mechanism in, clean mechanism then can clear away the aquatic impurity through the purifying agent, the water after clear away the impurity is by the interior heating of drawing in the water heater, the water after the heating passes through the raceway and discharges and supply people to use, when the temperature of water in the raceway reduces, water control mechanism can make water by the circulating pump in the water heater by the heating once more, so, can avoid the too low use that influences people of temperature of water, and can avoid impurity to lead to skin uncomfortable.

2. Under the effect of feeding mechanism, operating personnel can pour proper amount of water purifying agent into feeding mechanism in earlier, and then when being equipped with proper amount of water in the water tank, feeding mechanism can operate and discharge proper amount of purifying agent into the water tank and clear away the impurity in the water for a certain time, so, need not operating personnel and constantly pour the water purifying agent into the water tank and clear away the impurity in the water, convenient and fast.

3. Under the effect of stop gear, can carry out spacingly to first charging frame, when needs pulling first charging frame and remove, pulling stop gear does not block first charging frame, so, can avoid people to bump first charging frame by mistake and lead to breaking away from the influence use with the water tank.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a partial perspective structure of the present invention.

Fig. 3 is a schematic perspective view of a water control mechanism according to the present invention.

FIG. 4 is a first partial cross-sectional view of the water control mechanism of the present invention.

FIG. 5 is a second partial cross-sectional view of the water control mechanism of the present invention.

Fig. 6 is a schematic perspective view of a cleaning mechanism according to the present invention.

Fig. 7 is a partial cross-sectional view of a cleaning mechanism of the present invention.

Fig. 8 is a schematic view of a part of a perspective structure of a cleaning mechanism of the present invention.

Fig. 9 is a schematic perspective view of the feeding mechanism of the present invention.

FIG. 10 is a partial cross-sectional view of the charging mechanism of the present invention.

Fig. 11 is a schematic perspective view of a limiting mechanism according to the present invention.

Fig. 12 is a schematic view of a part of a three-dimensional structure of the limiting mechanism of the present invention.

Fig. 13 is a schematic perspective view of a speed regulating mechanism according to the present invention.

Fig. 14 is a schematic view of a part of a speed regulating mechanism of the present invention.

Fig. 15 is a schematic perspective view of the self-cleaning mechanism of the present invention.

FIG. 16 is a partial cross-sectional view of the self-cleaning mechanism of the present invention.

Fig. 17 is a circuit block diagram of the present invention.

Fig. 18 is a schematic circuit diagram of the present invention.

Reference numerals: 1_water heater, 2_water pipe, 3_connection pad, 4_connection ring, 5_water return pipe, 6_circulation pump, 61_control box, 7_water control mechanism, 71_control block, 72_adjustment lever, 73_connection rod, 74_electric slide rail, 75_n type block, 76_first fixed ring, 77_temperature sensor, 8_cleaning mechanism, 81_water tank, 82_first water outlet pipe, 83_water inlet pipe, 84_first charging frame, 85_connection plate, 86_first connection block, 87_second connection block, 88_water baffle, 89_gear motor, 810_third connection block, 811_start button, 9_charging mechanism, 91_second charging frame, 92_plug, 93_striker, 94_first connecting spring, 95_fourth connecting block, 96_electric push rod, 97_fifth connecting block, 98_liquid level sensor, 10_limit mechanism, 101_limit block, 102_clamp block, 103_sixth connecting block, 104_clamp block, 105_second connecting spring, 11_speed governor, 111_outdoor temperature sensor, 112_seventh connecting block, 113_regulating button, 12_self-cleaning mechanism, 121_second fixed ring, 122_first solenoid valve, 123_second water outlet pipe, 124_third fixed ring, 125_second solenoid valve, 126_start key.

Detailed Description

The invention is further elucidated below in connection with the drawings of the description, and embodiments of the invention are given in connection with the drawings of the description.

Example 1

The utility model provides a secondary heat supply pipe network temperature difference type flow control device, including water heater 1, raceway 2, connection pad 3, go-between 4, wet return 5, circulating pump 6, accuse water mechanism 7 and clean mechanism 8, please see the illustration of fig. 1-8, water outlet end intercommunication of water heater 1 has raceway 2, raceway 2 lower part tail end intercommunication has connection pad 3, the cross-under of 3 right sides rotary of connection pad has go-between 4, be connected with accuse water mechanism 7 between connection pad 3 and the delivery pipe, when rivers are in connection pad 3, accuse water mechanism 7 can realize controlling water, accuse water mechanism 7 is connected with go-between 4, connection pad 3 right-hand member intercommunication has wet return 5, wet return 5 tail end and water heater 1's water inlet end intercommunication, circulating pump 6 is installed to wet return 5 upper portion, wet return 5 right-hand member is connected with clean mechanism 8, when water is discharged in clean mechanism 8, clean mechanism 8 can realize clear away aquatic impurity.

The water control mechanism 7 comprises a control block 71, an adjusting rod 72, a connecting rod 73, an electric sliding rail 74, n-shaped blocks 75, a first fixing ring 76 and a temperature sensor 77, as shown in fig. 1, 3, 4 and 5, wherein two first fixing rings 76 are circumferentially arranged on the right side of the lower part of the outer side of the water pipe 2 in a welding connection manner, the temperature sensor 77 is arranged between the outer tops of the two first fixing rings 76, the bottom end of the temperature sensor 77 penetrates through the lower part of the water pipe 2, six control blocks 71 are connected on the inner side of the connecting disc 3 in a sliding manner in the circumferential direction, when water is discharged into the connecting disc 3, the control block 71 can control the water, the middle part of the outer side of the right side of the control block 71 is provided with the adjusting rod 72 in a welding connection manner, the right end of the adjusting rod 72 is slidably connected with the left side of the connecting ring 4, the connecting rod 73 is arranged on the lower side of the middle part of the right side of the connecting ring 4 in a welding connection manner, the electric sliding rail 74 is arranged in the middle of the lower part of the outer side of the connecting disc 3, the n-shaped blocks 75 are arranged on the moving parts of the electric sliding rail 74, the n-shaped blocks 75 are sleeved on the connecting rod 73, and when the n-shaped blocks 75 are moved, and the n-shaped blocks 75 can be driven to move.

The cleaning mechanism 8 comprises a water tank 81, a first water outlet pipe 82, a water inlet pipe 83, a first charging frame 84, a connecting plate 85, a first connecting block 86, a second connecting block 87, a water baffle 88, a speed reducing motor 89, a third connecting block 810 and a starting button 811, please see the figures 1, 6, 7 and 8, the lower part of the right side of the water return pipe 5 is communicated with the first water outlet pipe 82, the tail end of the first water outlet pipe 82 is communicated with the water tank 81, a feed inlet is arranged in the middle of the front side of the top of the water tank 81, the middle of the top of the water tank 81 is communicated with the water inlet pipe 83, the lower part of the water tank 81 is provided with the connecting plate 85 in a circumferential manner through a welded connection mode, the middle of the connecting plate 85 is provided with the opening, the left side and right side of the top of the connecting plate 85 are fixedly connected with the first connecting block 86 in a front-and-rear symmetrical manner through bolts, the end part of the output shaft of the speed reducing motor 89 penetrates through the corresponding two first connecting blocks 86, the rear side of the output shaft of the speed reducing motor 89 is fixedly sleeved with the second water outlet pipe 82 in a circumferential direction, the tail end of the second connecting block 87 is provided with the water baffle 88 in a welded connection mode, when the water baffle 88 swings downwards to the middle of the connecting block 88 to the middle of the connecting block 84 is provided with the first connecting block 84, the first connecting block 84 can slide down the middle of the connecting block 84 is connected with the first connecting block 84, and the middle of the connecting block 81 can be connected with the first connecting block 81, and the middle of the connecting block 81 can be connected to the front side of the connecting block 81.

Firstly, an operator installs the water heater 1 and the cleaning mechanism 8 on a wall through a fastening bolt, then externally connects the water pipe 2 with a drain pipe, and externally connects the cleaning mechanism 8 with a water supply pipe, when hot water is needed to be used, the water heater 1 and the circulating pump 6 can be started, then a proper amount of water is discharged into the cleaning mechanism 8, a proper amount of purifying agent is poured into the cleaning mechanism 8, the purifying agent purifies the water in the cleaning mechanism 8, impurities in the water are removed, the water after the impurities are removed is pumped into the water return pipe 5 by the circulating pump 6, the circulating pump 6 discharges the water in the water return pipe 5 into the water heater 1, the water after the water heater 1 heats the water, the heated water is discharged into the water pipe 2, the water in the water pipe 2 is discharged for people, part of the hot water is discharged into the connecting disc 3 and blocked by the water control mechanism 7, and is continuously used along with the water, the water control mechanism 7 detects the temperature of water in the water delivery pipe 2, when the water control mechanism 7 detects that the water temperature of the water in the water delivery pipe 2 reaches the minimum water temperature set in the control module, the water control mechanism 7 sends out a signal, the control module receives the signal and then controls the water control mechanism 7 to operate, the water control mechanism 7 operates to drive the connecting ring 4 to rotate positively, the connecting ring 4 rotates positively to drive the water control mechanism 7 to operate so as not to block the water in the water delivery pipe 2, cold water in the water delivery pipe 2 is discharged into the water return pipe 5 through the connecting disc 3, the circulating pump 6 continuously discharges the water in the water return pipe 5 into the water heater 1 to be heated, when the water control mechanism 7 detects that the water temperature of the water in the water delivery pipe 2 reaches the constant water temperature set in the control module, the water control mechanism 7 sends out a signal, the control module receives the signal and then controls the water control mechanism 7 to operate to reset, the water control mechanism 7 operates to reset so as to drive the connecting ring 4 to reset reversely, the connecting ring 4 is reversely reset, so that the water control mechanism 7 blocks the water in the water pipe 2, the heated water stops being discharged into the water return pipe 5, and the operation is repeated, and the water control mechanism 7 can not block the water when the water temperature of the water in the water pipe 2 reaches the minimum value, and the water is discharged into the water heater 1 by the circulating pump 6 and is continuously heated. When people do not need to use water, the water is stopped from being discharged into the cleaning mechanism 8, the water heater 1 and the circulating pump 6 are turned off, and impurities removed from the cleaning mechanism 8 are taken out for treatment.

When the water pipe 2 discharges water for people, part of the water in the water pipe 2 is discharged into the connecting disc 3 and blocked by the control block 71, the temperature sensor 77 detects the temperature of the water in the water pipe 2, when the temperature sensor 77 detects that the temperature of the water in the water pipe 2 reaches the minimum water temperature set in the control module, the temperature sensor 77 sends out a signal, the control module controls the electric slide rail 74 to operate for three seconds after receiving the signal, the electric slide rail 74 operates to drive the n-shaped block 75 to move forwards, the n-shaped block 75 moves forwards to drive the connecting rod 73 to move forwards, the connecting rod 73 moves forwards to drive the connecting disc 3 to rotate forwards, the connecting disc 3 rotates forwards to drive the adjusting rod 72 to rotate forwards, the adjusting rod 72 rotates forwards to drive the control block 71 to move outwards through the connecting disc 3, the control block 71 does not block the water, after three seconds, the control module controls the electric slide rail 74 to close, and then the water in the water pipe 2 is discharged into the water return pipe 5 through the connecting disc 3, the water in the water return pipe 5 is pumped back into the water heater 1 by the circulating pump 6 and is heated, the heated water is continuously discharged into the water pipe 2, when the temperature sensor 77 detects that the temperature of the water in the water pipe 2 reaches the constant temperature set in the control module, the temperature sensor 77 sends out a signal, the control module receives the signal and then controls the electric sliding rail 74 to operate for three seconds to reset, the electric sliding rail 74 operates to reset and drives the n-shaped block 75 to move backwards to reset, the n-shaped block 75 moves backwards to reset and drives the connecting rod 73 to reversely reset, the connecting rod 73 reversely drives the connecting disc 3 to reversely rotate, the connecting disc 3 reversely rotates and drives the control block 71 to move inwards to reset through the adjusting rod 72, the control block 71 resets to block the water in the connecting disc 3, namely the water in the water pipe 2 is blocked after three seconds, the control module controls the motorized sled 74 to close.

Firstly, an operator installs the water heater 1 and the water tank 81 on a wall through fastening bolts, then connects the water inlet pipe 83 with a water supply pipe, and then when water is discharged into the water inlet pipe 83, the water in the water inlet pipe 83 is discharged into the water tank 81, then a proper amount of water purifying agent is poured into the water tank 81, the water purifying agent cleans impurities in the water, the cleaned impurities deposit and drop into the first charging frame 84, the circulating pump 6 starts to suck the water in the water tank 81 into the water return pipe 5 through the first water outlet pipe 82, the water in the water return pipe 5 is discharged into the water heater 1 to be heated, when the impurities in the first charging frame 84 are required to be taken out for treatment, the starting button 811 is pressed, the starting button 811 sends a signal, the control module receives the signal and then controls the speed reducing motor 89 to rotate inwards for three seconds, the speed reducing motor 89 rotates inwards for three seconds to drive the second connecting block 87 to rotate inwards, the second connecting block 87 rotates inwards to drive the water baffle 88 to swing inwards, ninety degrees of the inward swing of the water baffle 88 is contacted with the opening of the connecting plate 85, after three seconds, the control block 71 controls the speed reducing motor 89 to be closed, the water baffle 88 stops swinging inwards, the first charging frame 84 can be pulled to move forwards, the first charging frame 84 moves forwards to drive the impurities to move forwards, when the first charging frame 84 moves forwards and is out of contact with the water tank 81, the impurities in the first charging frame 84 can be poured out, after all the impurities are poured out, the first charging frame 84 is moved to be contacted with the water tank 81, the first charging frame 84 is pushed to move backwards to reset, the starting button 811 is pressed for three seconds for a long time, the starting button 811 sends out a signal, the control module receives the signal to control the speed reducing motor 89 to rotate outwards for three seconds to reset, the speed reducing motor 89 rotates outwards for three seconds to drive the second connecting block 87 to rotate outwards to reset, the second connecting block 87 rotates outwards to reset to drive the water baffle 88 to swing outwards to reset, and after three seconds, the control module controls the gear motor 89 to be closed, and the water baffle 88 stops to swing outwards to reset. Thus, the phenomenon that impurities in water are uncomfortable to contact with human skin can be avoided.

Example 2

On the basis of embodiment 1, still include feeding mechanism 9, feeding mechanism 9 is including second charging frame 91, stopper 92, striker plate 93, first connecting spring 94, fourth connecting block 95, electric putter 96, fifth connecting block 97 and level sensor 98, please see that the mode through bolted connection installs second charging frame 91 in the middle of the outer top front side of water tank 81 shown in fig. 1, fig. 9 and fig. 10, second charging frame 91 is linked together with the feed inlet of water tank 81, the sliding connection of embedding in the middle of the lower part of the left and right sides in second charging frame 91 has striker plate 93, when the operating personnel pours right amount of water purifying agent into second charging frame 91, striker plate 93 can realize blocking the water purifying agent, be connected with first connecting spring 94 between striker plate 93 lateral surface and the second charging frame 91 inboard, stopper 92 is all installed through welded connection's mode in the middle of the top front side of water tank 81, stopper 92 is installed in the open mouth department in the middle of second charging frame 91, the front side front middle of second charging frame 91 passes through electric putter 96 and electric putter 97 installs the mode in the middle of the top side of the fifth connecting block 97, the fifth connecting block 97 is installed to the fifth connecting block 97 when the fifth connecting block 97 is connected to the top side, the fifth connecting block 97 is realized to the fifth connecting block 95, the top is welded to the fifth connecting block 97 is connected to the top side when the fifth connecting block is welded.

The limiting mechanism 10 further comprises a limiting block 101, a clamping block 102, a sixth connecting block 103, a clamping block 104 and a second connecting spring 105, as shown in fig. 1, 11 and 12, the limiting block 101 is mounted in the middle of the lower portion of the outer front side surface of the water tank 81 in a bolt connection manner, the clamping block 102 is connected in a sliding manner in the limiting block 101 in a penetrating manner, the lower portion of the rear side surface of the clamping block 102 is in contact with the first charging frame 84, the clamping block 102 can limit the first charging frame 84, the clamping block 102 moves upwards to be in contact with a starting button 811, the sixth connecting block 103 is fixedly connected to the lower portion of the outer front side surface of the water tank 81 in a bilateral symmetry manner, the sixth connecting block 103 is located below the limiting block 101, the clamping block 104 is connected with the clamping block 102 in an embedded sliding manner, the clamping block 104 can limit the clamping block 102, and the second connecting springs 105 are connected between the left side and the right side of the front side surface of the sixth connecting block 103 on the left side and the right side of the clamping block 104.

Firstly, an operator removes the plug 92 from the second charging frame 91, then pours a proper amount of water purifying agent into the second charging frame 91, the material blocking plate 93 blocks the water purifying agent, when water is discharged into the water tank 81, the water in the water tank 81 continuously rises, when the water contacts with the liquid level sensor 98, the liquid level sensor 98 sends out a signal, the control module receives the signal and then controls the electric push rod 96 to operate for six seconds, the first three seconds, the expansion rod of the electric push rod 96 stretches to drive the fifth connecting block 97 to move downwards, the fifth connecting block 97 moves downwards to drive the fourth connecting block 95 to move outwards, the fourth connecting block 95 moves outwards to drive the material blocking plate 93 to move outwards, the first connecting spring 94 is compressed, the material blocking plate 93 moves outwards to not block the water purifying agent in the second charging frame 91, a proper amount of the water purifying agent falls into the water tank 81 to contact with the water, the water purifying agent clears impurities in the water, after three seconds, the expansion rod of the electric push rod 96 resets to drive the fifth connecting block 97 to move upwards, the fifth connecting block 97 moves upwards to reset the fourth connecting block 95, and the fourth connecting block 95 moves inwards to reset the fourth connecting block 95 to control the fourth connecting block 95 to reset the fourth connecting block 93. Thus, the water purifying agent is not required to be continuously poured into the water tank 81 by an operator to remove impurities in water, and the water purifying device is convenient and quick.

When the first charging frame 84 needs to be pulled to move forward to drive impurities to move forward, an operator pulls the clamping block 102 to move upward, when the clamping block 102 moves upward and is separated from the first charging frame 84, the clamping block 102 does not limit the first charging frame 84, the clamping block 102 is in contact with the starting button 811 at the moment, the clamping block 102 is loosened, the clamping block 102 is clamped and fixed by the clamping block 104 under the action of the second connecting spring 105, the starting button 811 sends a signal, the water baffle 88 swings inwards to block the opening of the connecting plate 85, the first charging frame 84 can be pulled to move forward to be separated from the water tank 81, impurities in the first charging frame 84 are poured out, after all impurities are poured out, the first charging frame 84 is moved to the water tank 81 to be contacted, the first charging frame 84 is pushed to move backwards to be reset, the clamping block 102 is pulled downwards to be reset, the first charging frame 84 is limited continuously, the clamping block 102 is reset to be separated from the starting button 811, the clamping block 102 is loosened, and the clamping block 102 is clamped continuously. Thus, the first charging frame 84 is prevented from being separated from the water tank 81 by mistake, and the use is prevented from being influenced.

Example 3

On the basis of embodiment 1 and embodiment 2, the device further comprises a speed regulating mechanism 11, the speed regulating mechanism 11 comprises an outdoor temperature sensor 111, a seventh connecting block 112 and an adjusting button 113, as shown in fig. 1, 13 and 14, the outdoor temperature sensor 111 is installed in the middle of the front side of the circulating pump 6, the seventh connecting block 112 is installed at the front part of the right side of the bottom in the connecting disc 3 in a welding connection mode, the adjusting button 113 is installed at the upper part of the rear side surface of the seventh connecting block 112, and the n-type block 75 moves forwards to be in contact with the adjusting button 113.

The self-cleaning mechanism 12 comprises a second fixing ring 121, a first electromagnetic valve 122, a second water outlet pipe 123, a third fixing ring 124, a second electromagnetic valve 125 and a start key 126, as shown in fig. 1, 15 and 16, the middle of the lower part of the outer front side surface of the water heater 1 is provided with the second fixing ring 121 in a manner of welding connection, the first electromagnetic valve 122 is arranged between the two ends of the inner side of the second fixing ring 121, the first electromagnetic valve 122 is positioned in the water pipe 2, the right part of the water return pipe 5 is communicated with the second water outlet pipe 123, the front part of the outer side of the second water outlet pipe 123 is provided with the third fixing ring 124 in a manner of welding connection along the circumferential direction, the second electromagnetic valve 125 is arranged between the two ends of the inner side of the third fixing ring 124, the second electromagnetic valve 125 is positioned in the second water outlet pipe 123, and the second electromagnetic valve 125 can control water in the second water outlet pipe 123, and the start key 126 is arranged in the middle of the lower part of the outer front side surface of the water heater 1.

When the device is used, when the outdoor temperature sensor 111 detects that the outdoor temperature reaches the lowest temperature set in the control module, the outdoor temperature sensor 111 sends out a signal, the control module receives the signal and then controls the power of the circulating pump 6 to be increased, the circulating pump 6 pumps water to flow more rapidly, meanwhile, when the n-type block 75 moves forwards to the maximum stroke, the n-type block 75 contacts with the regulating button 113, the regulating button 113 sends out a signal, the control module receives the signal and then controls the circulating pump 6 to start to the maximum power, so that water in the water pipe 2 flows faster, the water in the water pipe 2 is always at a high temperature, when the n-type block 75 moves backwards to reset, the n-type block 75 is separated from the regulating button 113 to be contacted, the regulating button 113 sends out a signal, and the control module receives the signal and then controls the power of the circulating pump 6 to be reduced to the normal power. Therefore, the water in the water pipe 2 can continuously flow high-temperature water, and the influence of the temperature reduction of the water on the use is avoided.

When the device is used for a long time, an operator can press the start key 126 once, the start key 126 sends out a signal, the control module controls the first electromagnetic valve 122 to be closed for ten minutes after receiving the signal, the first electromagnetic valve 122 is closed to block two ends of the rear side of the upper part of the water pipe 2, when the circulating pump 6 is started, water can continuously flow in the water return pipe 5 and the water pipe 2, the water also can clear impurities remained on the inner walls of the water return pipe 5 and the water pipe 2, after eight minutes, the control module controls the second electromagnetic valve 125 to be started for two minutes, the second electromagnetic valve 125 is started to not block the second water outlet pipe 123, the water in the second water outlet pipe 123 is continuously discharged when the water pipe 2 and the water return pipe 5 are discharged, after two minutes, the control module controls the second electromagnetic valve 125 to operate and reset to block the second water outlet pipe 123, and the control module also controls the first electromagnetic valve 122 to operate and reset to not block the water pipe 2. Therefore, impurities on the inner walls of the water delivery pipe 2 and the water return pipe 5 can be removed, and the quality of water is prevented from being influenced by the impurities.

The control box 61 is further included, please refer to fig. 1, 17 and 18, the control box 61 is installed at the bottom of the water heater 1, the control box 61 includes a switch power source, a power source module and a control module, the switch power source supplies power to the temperature difference type flow control device of the secondary heating pipe network, the output end of the switch power source is electrically connected with the power source module, the power source module is connected with a power source main switch through a circuit, the power source module and the control module are electrically connected, the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the start button 811, the adjusting button 113, the temperature sensor 77, the liquid level sensor 98, the start key 126 and the outdoor temperature sensor 111 are electrically connected with the control module, and the circulating pump 6, the electric slide rail 74, the electric push rod 96, the speed reducing motor 89, the first electromagnetic valve 122 and the second electromagnetic valve 125 are all connected with the control module through peripheral circuits.

Finally, it is necessary to state that: the foregoing is provided to assist in understanding the technical solutions of the present invention, and is not to be construed as limiting the scope of protection of the present invention; insubstantial modifications and variations from the above teachings are within the scope of the invention as claimed.

Claims (4)

1. The utility model provides a secondary heat supply pipe network temperature difference type flow control device, including water heater (1), raceway (2), connection pad (3), go-between (4) go-between, wet return (5) and circulating pump (6), the play water end intercommunication of water heater (1) has raceway (2), raceway (3) are linked together to raceway (2) lower part tail end, the cross-under of connection pad (3) right flank rotation has go-between (4), connection pad (3) right-hand member intercommunication has wet return (5), wet return (5) tail end and water heater (1) advance water end intercommunication, circulating pump (6) are installed on wet return (5) upper portion, characterized in that still includes water control mechanism (7) and clean mechanism (8), be connected with between connection pad (3) and the delivery pipe and be used for controlling water control mechanism (7), water control mechanism (7) are connected with go-between (4), wet return (5) right part is connected with clean mechanism (8) that are used for cleaing away impurity in the water;

the water control mechanism (7) comprises a control block (71), an adjusting rod (72), a connecting rod (73), an electric sliding rail (74), n-type blocks (75), a first fixing ring (76) and a temperature sensor (77), wherein two first fixing rings (76) are fixedly connected to the right side of the lower part of the outer side of the water pipe (2) along the circumferential direction, the temperature sensor (77) is arranged between the outer tops of the two first fixing rings (76), the bottom end of the temperature sensor (77) penetrates through the lower part of the water pipe (2), six control blocks (71) for controlling water are connected to the inner side of the connecting disc (3) along the circumferential direction in a sliding manner, the middle part of the outer side of the right side of the control block (71) is fixedly connected with the adjusting rod (72), the right end of the adjusting rod (72) is fixedly connected with the left side of the connecting ring (4), the connecting rod (73) is fixedly connected to the middle lower side of the right side of the connecting ring (4), the electric sliding rail (74) is arranged in the middle of the lower part of the outer right side of the connecting disc (3), the n-type blocks (75) for driving the connecting rod (73) to move are arranged on the moving parts of the electric sliding rail (74), and the n-type blocks (75) are sleeved on the connecting rod (73); the cleaning mechanism (8) comprises a water tank (81), a first water outlet pipe (82), a water inlet pipe (83), a first charging frame (84), a connecting plate (85), a first connecting block (86), a second connecting block (87), a water baffle plate (88), a gear motor (89), a third connecting block (810) and a starting button (811), wherein the lower part of the right side of a water return pipe (5) is communicated with the first water outlet pipe (82), the tail end of the first water outlet pipe (82) is communicated with the water tank (81), a feed inlet is formed in the middle of the front side of the top of the water tank (81), the middle of the top of the water tank (81) is communicated with the water inlet pipe (83), the lower part of the water tank (81) is fixedly connected with the connecting plate (85) along the circumferential direction, the middle of the connecting plate (85) is provided with an opening, the front and back and forth symmetrical fixedly connected with the first connecting block (86) at the left and right sides of the top of the connecting plate (85), the gear motor (89) is fixedly connected with the gear motor (89) at the left and right sides of the front side of the output shaft of the gear motor (89) and penetrates through the corresponding two first connecting blocks (86), the rear end of the output shaft of the gear motor (89) is fixedly sleeved with the second connecting block 87) along the circumferential direction, the lower end of the tail end of the water tank is fixedly connected with the water tank (81), a first charging frame (84) for collecting precipitated impurities is connected to the middle of the lower part of the front side of the water tank (81) in a sliding manner in a penetrating manner, a third connecting block (810) is arranged in the middle of the lower part of the front side of the water tank (81), and a starting button (811) is arranged at the bottom of the third connecting block (810); the water purifying device is characterized by further comprising a feeding mechanism (9) for adding the water purifying agent, the feeding mechanism (9) comprises a second feeding frame (91), a plug (92), a baffle plate (93), a first connecting spring (94), a fourth connecting block (95), an electric push rod (96), a fifth connecting block (97) and a liquid level sensor (98), wherein the second feeding frame (91) is fixedly connected in the middle of the front side of the outer top of the water tank (81), the second feeding frame (91) is communicated with the feeding port of the water tank (81), the middle of the lower parts of the left side and the right side in the second feeding frame (91) are in embedded sliding connection, a baffle plate (93) for blocking the water purifying agent is connected between the outer side surface of the baffle plate (93) and the inner side of the second feeding frame (91), the front side of the top of the baffle plate (93) is fixedly connected with the fourth connecting block (95), the plug (92) is plugged in the opening in the middle of the top of the second feeding frame (91), the middle of the front side of the inner side of the second feeding frame (91) is fixedly connected with the electric push rod (96), the electric push rod (96) is fixedly connected in the middle of the front side of the electric push rod (96), the electric push rod (95) is used for driving the fourth connecting block (95) to move to the middle of the top of the outer side of the baffle block (95), the fifth connecting block (95) is fixedly connected with the top of the baffle block (95) is arranged at the top of the fourth connecting block (95), the liquid level sensor (98) penetrates through the top of the water tank (81);

the novel water tank is characterized by further comprising a limiting mechanism (10) for limiting the first charging frame (84), wherein the limiting mechanism (10) comprises a limiting block (101), a clamping block (102), a sixth connecting block (103), a clamping block (104) and a second connecting spring (105), the middle of the lower part of the outer front side surface of the water tank (81) is fixedly connected with the limiting block (101), the limiting block (102) for limiting the first charging frame (84) is connected in a penetrating manner in the sliding manner in the limiting block (101), the lower part of the rear side surface of the clamping block (102) is contacted with the first charging frame (84), the clamping block (102) moves upwards to be contacted with a starting button (811), the lower part of the outer front side surface of the water tank (81) is fixedly connected with the sixth connecting block (103) in a bilateral symmetry manner, the sixth connecting block (103) is located below the limiting block (101), the clamping block (104) for limiting the clamping block (102) is connected with the embedded sliding connection between the two sixth connecting blocks (103), the clamping block (104) is contacted with the clamping block (102), and the left and right sides of the inner front side surface of the clamping block (104) are respectively connected with the second connecting springs (105).

2. The secondary heat supply pipe network temperature difference type flow control device according to claim 1, further comprising a speed regulating mechanism (11) for improving the power of the circulating pump (6), wherein the speed regulating mechanism (11) comprises an outdoor temperature sensor (111), a seventh connecting block (112) and an adjusting button (113), the outdoor temperature sensor (111) is installed in the middle of the front side of the circulating pump (6), the seventh connecting block (112) is fixedly connected to the front right side of the inner bottom of the connecting disc (3), the adjusting button (113) is installed on the upper portion of the rear side of the seventh connecting block (112), and the n-type block (75) moves forwards to be in contact with the adjusting button (113).

3. The temperature difference type flow control device for the secondary heating pipe network according to claim 2, further comprising a self-cleaning mechanism (12) for cleaning impurities on inner walls of the water conveying pipe (2) and the water return pipe (5), wherein the self-cleaning mechanism (12) comprises a second fixed ring (121), a first electromagnetic valve (122), a second water outlet pipe (123), a third fixed ring (124), a second electromagnetic valve (125) and a starting key (126), the middle of the lower part of the outer front side surface of the water heater (1), the outer sides of the two ends of the rear side of the upper part of the water conveying pipe (2) are fixedly connected with the second fixed ring (121), a first electromagnetic valve (122) is arranged between the two ends of the inner side of the second fixed ring (121), the first electromagnetic valve (122) is positioned in the water conveying pipe (2), the right part of the water return pipe (5) is communicated with the second water outlet pipe (123), the front part of the outer side of the second water outlet pipe (123) is fixedly connected with a third fixed ring (124) along the circumferential direction, the second electromagnetic valve (125) for controlling water in the second water outlet pipe (123) is arranged between the two ends of the inner side of the third fixed ring (124), and the second electromagnetic valve (125) is arranged in the middle of the lower part of the outer side surface of the water outlet pipe (1).

4. The temperature-difference flow control device for the secondary heating pipe network according to claim 3, further comprising a control box (61), wherein the control box (61) is installed at the outer bottom of the water heater (1), the control box (61) comprises a switching power supply, a power supply module and a control module, the switching power supply supplies power for the temperature-difference flow control device for the secondary heating pipe network, the output end of the switching power supply is electrically connected with the power supply module, a main power switch is connected to the power supply module through a circuit, the power supply module and the control module are electrically connected, a DS1302 clock circuit and a 24C02 circuit are connected to the control module, a starting button (811), an adjusting button (113), a temperature sensor (77), a liquid level sensor (98), a starting key (126) and an outdoor temperature sensor (111) are electrically connected with the control module, and a circulating pump (6), an electric sliding rail (74), an electric push rod (96), a speed reducing motor (89), a first electromagnetic valve (122) and a second electromagnetic valve (125) are connected with the control module through peripheral circuits.

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