CN217233583U - Drainage control device - Google Patents
Drainage control device Download PDFInfo
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- CN217233583U CN217233583U CN202123237136.9U CN202123237136U CN217233583U CN 217233583 U CN217233583 U CN 217233583U CN 202123237136 U CN202123237136 U CN 202123237136U CN 217233583 U CN217233583 U CN 217233583U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The utility model provides a drainage control device, which comprises a first power supply, a second power supply, a contactor, a timing control unit, a first liquid level trigger switch and a first normally open switch; the normally open switch of the contactor is electrically connected between the first power supply and the drainage water pump; a first electric connection point is arranged between two output ends of the second power supply; the first liquid level trigger switch is electrically connected between one output end of the second power supply and the first electric connection point; a first branch and a second branch are connected in parallel between the first electric connection point and the other output end of the second power supply; the coil of the timing control unit is arranged on the first branch; the coil of the contactor and the first normally open switch are connected in series with the second branch circuit; when the coil of the timing control unit is electrified, the first normally open switch is closed.
Description
Technical Field
The utility model relates to a drainage controlling means for from the water tank of storing water to ground drainage in the borehole operation.
Background
When the underground operation is carried out in a mountain area, water needs to be drained from an underground operation area to the ground in time. In the prior art, a water tank is arranged in an underground operation area, and water is pumped by a water pump to drain to the ground. In a mountain area, there are many underdrains and rivers in mountain and underground, and the water amount is not regular. If the inspection is performed by manpower, the inspection must be performed all day long, which consumes a lot of manpower. Therefore, in the prior art, in order to reduce the manpower consumption, the water is pumped by a water pump when the water level in the water tank is higher than a certain water level.
The existing electricity prices are different according to different time periods, namely the electricity price in the electricity peak period is higher than the electricity price in the electricity valley period. Because the engineering cycle is long, and the operating time is often daytime to the peak period of power consumption night, the continuous work of water pump causes power consumption very big, has not only increased engineering cost, has still increased the electric load in place.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is that the water pump lasts work and increases engineering cost, increases the regional power load's in place problem to current mountain area borehole operation drainage, provides a drainage controlling means.
In order to solve the technical problem, the utility model discloses a technical scheme is: a drainage control device comprises a first power supply, a second power supply, a contactor, a timing control unit, a first liquid level trigger switch and a first normally open switch;
a normally open switch of the contactor is electrically connected between the first power supply and the drainage water pump;
a first electric connection point is arranged between two output ends of the second power supply;
the first liquid level trigger switch is electrically connected between one output end of the second power supply and the first electric connection point;
a first branch and a second branch are connected in parallel between the first electric connection point and the other output end of the second power supply;
the coil of the timing control unit is arranged on the first branch;
the coil of the contactor and the first normally open switch are connected in series with the second branch circuit;
when the coil of the timing control unit is electrified, the first normally-open switch is in a closed state.
The utility model discloses in, through the aforesaid setting, the coil that can set up timing control unit keeps to the on-state presetting the time quantum (for example with electricity trough time quantum), and keep to the off-state outside presetting the time quantum (for example with electricity crest time quantum), when the liquid level is not less than high H1 in the water tank, first liquid level trigger switch is the on-state, thereby when presetting the time quantum, can make timing control unit's coil circular telegram, make first normally open switch closed, make the coil circular telegram of contactor, make the normally open switch of contactor closed, make first power supply for the drainage water pump power supply, make drainage water pump continuous work. When the liquid level in the water tank is lower than the height H1, the first liquid level trigger switch is in an off state, so that the drainage water pump stops working, and the device is prevented from being damaged due to the fact that the drainage water pump pumps air when no water exists in the water tank. Through the utility model discloses a scheme can set up the water yield in making the water tank in power consumption trough time quantum and keep at lower liquid level to when reacing power consumption peak time quantum, make to have more water storage capacity in the water tank, thereby can reduce the drainage demand at power consumption peak time quantum, and then reach the demand of power consumption when reducing higher price of electricity, also reduce the power load when the power consumption peak in the place region.
Further, the drainage control device also comprises a first relay;
a third branch circuit is connected between the first electric connection point and the other output end of the second power supply, and the first branch circuit, the second branch circuit and the third branch circuit are connected in parallel;
a coil of the first relay and a normally open switch of the timing control unit which are connected in series are arranged on the third branch circuit;
the first normally-open switch is a normally-open switch of the first relay.
Furthermore, the drainage control device also comprises a second liquid level trigger switch and a second normally open switch;
the second normally-open switch is connected in series with the coil of the contactor and is connected in parallel with the first normally-open switch;
when the liquid level in the water tank is higher than the liquid level height H2, the second liquid level trigger switch is in a closed state, and the second normally open switch is in a closed state;
when the liquid level in the water tank is not higher than the liquid level height H2, the second liquid level trigger switch is turned off.
The utility model discloses in, set up second liquid level trigger switch. When the time outside the preset time period (for example, electricity utilization peak time period), when the liquid level is higher than the liquid level height H2, the second liquid level trigger switch is closed, the second normally open switch is closed, the contactor coil is electrified, and then the drainage water pump is controlled to work, so that overflow caused by overhigh water level in the water tank is avoided.
Further, the drainage control device also comprises a second relay and a time relay;
a fourth branch is connected between the first electric connection point and the other output end of the second power supply, and the first branch, the second branch and the fourth branch are connected in parallel;
the fourth branch is provided with a first parallel circuit and a second parallel circuit which are connected in series;
the second liquid level trigger switch and a normally open switch of the second relay are connected in parallel to form a first parallel circuit;
a coil of a second relay and a normally closed time-delay-off switch of the time relay which are connected in series are arranged on one parallel branch of the second parallel circuit, and a coil of the time relay is arranged on the other parallel branch;
the second normally-open switch is another normally-open switch of the second relay.
The utility model discloses in, through setting up the time relay for when the liquid level reaches high H2, make time relay continuous work certain time, make drainage water pump continuous work certain time promptly and break off the drainage water pump and be connected between the first power supply again, thereby make the water yield too big time drainage water pump can work certain time, avoid drainage water pump operating time short cause frequently reach high H2 and make the problem that drainage water pump frequently started.
Further, the drainage control device also comprises a second relay and a third liquid level trigger switch;
a fourth branch is connected between the first electric connection point and the other output end of the second power supply, and the first branch, the second branch and the fourth branch are connected in parallel;
the fourth branch is provided with the second liquid level trigger switch and a coil of a second relay which are connected in series, and the second normally open switch is a normally open switch of the second relay and is a self-locking switch;
the second normally-open switch and the third liquid level trigger switch are connected in series, and a branch where the second normally-open switch and the third liquid level trigger switch are located is connected with the first normally-open switch in parallel.
The utility model discloses in, through the aforesaid setting, can make drainage pump work when the liquid level reaches high H2, fall to the trigger water level height that sets up of third liquid level switch until the water level, just stop drainage pump work to avoid drainage pump operating time short excessively to cause frequently to reach high H2 and make the problem that drainage pump frequently started.
Further, when the liquid level in the water tank is not lower than the liquid level height H1, the first liquid level trigger switch is in a closed state; when the liquid level in the water tank is lower than the liquid level height H1, the first liquid level trigger switch is in an off state;
when the liquid level in the water tank is not lower than the liquid level height H3, the third liquid level trigger switch is in a closed state; when the liquid level in the water tank is lower than the liquid level height H3, the third liquid level trigger switch is in an off state;
H1＜H3＜H2。
through the arrangement, when the liquid level reaches the high liquid level height H2, the water tank discharges water until the liquid level height reaches the position of the liquid level height H3 which is lower than H2 and higher than H1, so that the drainage water pump reaches a certain drainage amount, and frequent starting of the drainage water pump when the water amount is too high and reaches the high height H2 for multiple times is avoided.
Further, when the liquid level in the water tank is not lower than the liquid level height H1, the first liquid level trigger switch is in a closed state; when the liquid level in the water tank is lower than the liquid level height H1, the first liquid level trigger switch is in an off state; h1 < H2.
Through the arrangement, the water level in the water tank is enabled to be close to or reach the lower height H1 all the time in the preset time period, and the drainage water pump is started when the liquid level reaches the higher height H2 outside the preset time period (namely the electric wave peak time period), namely the drainage times are reduced as much as possible in the electric wave peak time period, so that the electricity is saved.
Furthermore, the first liquid level trigger switch and the second liquid level trigger switch are both float switches.
Furthermore, the drainage control device also comprises a change-over switch, a fifth branch, a third relay and a first switch button; the change-over switch has a first state and a second state;
when the change-over switch is in a first state, the change-over switch electrically connects the first electrical connection point with one end of the fourth branch circuit;
when the change-over switch is in a second state, the change-over switch electrically connects the first electrical connection point with one end of the fifth branch circuit;
the other end of the fourth branch and the other end of the fifth branch are electrically connected with the other output end of the second power supply;
on the fifth branch, the first switch button and a normally open switch of the third relay are connected in parallel and then are connected in series with a coil of the third relay;
and the other normally open switch of the third relay is connected with the coil of the contactor in series and is connected with the first normally open switch in parallel.
The utility model discloses in, through above-mentioned setting for can switch between manual, automatic control circuit. When another link of change over switch is connected with fifth branch road one end electricity, the break-make electricity of the coil of usable first shift knob control third relay to the turn-off or the closure of another normally open switch of control third relay, thereby the turn-off or the closure of control contactor coil, and then whether the control is the drainage water pump power supply.
Further, a second switch button connected with the first liquid level trigger switch in series is further arranged between one output end of the second power supply and the first electric connection point.
Through the arrangement, when the drainage water pump stops working, the drainage water pump can be controlled by using the second switch button.
Furthermore, one output end and the other output end of the second power supply are respectively a power supply end and a ground end or respectively a ground end and a power supply end.
Furthermore, the first power supply is a three-phase power supply, and two output ends of the second power supply are respectively and correspondingly electrically connected with two phase output ends of the first power supply.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is an electrical wiring diagram of a drainage control device according to embodiment 1 of the present invention;
FIG. 2 is a circuit schematic of a portion of the circuit configuration of FIG. 1;
FIG. 3 is a circuit schematic of another portion of the circuit configuration of FIG. 1;
fig. 4 is an electrical wiring diagram of a partial circuit structure of a drainage control device according to embodiment 2 of the present invention;
in the above drawings:
FzD, a first liquid level trigger switch, FzG, a second liquid level trigger switch, FzM, a third liquid level trigger switch,
LA1, a coil of a first relay, KA1 and a first normally open switch;
LA2, coil of the second relay, KA21, second normally open switch, KA22, one normally open switch of the second relay
LA3, a coil of a third relay, KA31, one normally open switch of the third relay, KA32 and the other normally open switch of the third relay;
DTL, a coil of the timing control unit, DT and a normally open switch of the timing control unit;
coil of KTL and time relay, and normally closed switch of KT and time relay for delayed disconnection.
LM, a coil of a contactor, KM1 and a normally open switch of the contactor;
m, a drainage water pump; a1 — first electrical connection point; SA, a change-over switch, SB1, a first switch button, SB2 and a second switch button; l31, one output terminal of the second power supply, L21, the other output terminal of the second power supply.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1
As shown in fig. 1-3, the utility model provides a drainage control device, a serial communication port, including first power supply, second power supply, contactor, timing control unit, first liquid level trigger switch FzD, first normally open switch KA 1.
The normally open switch KM1 of the contactor is electrically connected between the first power supply and the drain pump M of the water containing structure.
The two output ends L21, L31 of the second power supply have a first electric connection point A1 therebetween.
The first level trigger switch FzD is electrically connected between an output terminal L31 of the second power supply and the first electrical connection point a 1.
A first branch and a second branch are connected in parallel between the first electric connection point A1 and the other output end L21 of the second power supply.
The coil DTL of the timing control unit is arranged in the first branch.
And a coil LM and a first normally open switch KA1 of the contactor are connected in series in the second branch.
When the coil DTL of the timing control unit is electrified, the first normally open switch KA1 is in a closed state.
The closed state of the first normally open switch KA1 is caused by the energization of the coil DTL of the timing control unit, i.e. the change of the first normally open switch KA1 from the open action state to the closed state may be slightly delayed in time compared to the closing of the first normally open switch KA1, as will be understood by the skilled person.
The water containing structure can be a water tank or other structures for containing water, and the inlet water containing structure of the drainage water pump is connected. The drain pump and the water containment structure are well known in the art and will be understood by those skilled in the art. The first power supply may be an ac power supply, such as a 380V ac power supply. The second power supply may employ a direct current power supply (e.g., a high voltage direct current power supply). The water tank is used for the water drainage for drainage pump.
The drain control device further comprises a first relay.
And a third branch is further connected between the first electric connection point A1 and the other output end L21 of the second power supply, and the first branch, the second branch and the third branch are mutually connected in parallel.
And a coil LA1 of the first relay and a normally open switch DT of the timing control unit which are mutually connected in series are arranged on the third branch.
The first normally open switch KA1 is a normally open switch of a first relay.
The drainage control device also comprises a second liquid level trigger switch FzG and a second normally open switch KA 21.
The second normally open switch KA21 is connected with the coil LM of the contactor in series and is connected with the first normally open switch KA1 in parallel.
When the liquid level in the water tank is higher than the liquid level height H2, the second liquid level trigger switch FzG is closed, and the second normally-open switch KA21 is closed.
When the liquid level in the water tank is not higher than the liquid level height H2, the second liquid level trigger switch FzG is turned off.
The drainage control device further comprises an action unit, and the action unit is used for enabling the branch of the second normally-open switch KA21 to be turned off when the second liquid level trigger switch FzG is closed for a first preset time or when the liquid level is lower than H3. H1 < H3 < H2.
In this embodiment, the drainage control device further includes a second relay and a time relay.
A fourth branch is further connected between the first electric connection point A1 and the other output end L21 of the second power supply, and the first branch, the second branch and the fourth branch are connected in parallel.
And the fourth branch is provided with a first parallel circuit and a second parallel circuit which are mutually connected in series.
The second liquid level trigger switch FzG and a normally open switch KA22 of the second relay are connected in parallel to form a first parallel circuit.
And one parallel branch of the second parallel circuit is provided with a coil LA2 of a second relay and a normally closed time-delay-off switch KT of the time relay which are connected in series, and the other parallel branch is provided with a coil KTL of the time relay.
The second normally-open switch KA21 is another normally-open switch of the second relay.
That is, in the present embodiment, the action unit includes a time relay.
When the liquid level in the water tank is not lower than the liquid level height H1, the first liquid level trigger switch FzD is in a closed state. When the liquid level in the water tank is lower than the liquid level height H1, the first liquid level trigger switch FzD is in an off state. H1 < H2.
The drainage control device also comprises a change-over switch SA, a fifth branch, a third relay and a first switch button SB 1.
As shown in fig. 1-2, one connection end of the switch SA is electrically connected to the first electrical connection point a1, the other connection end of the switch SA is switchably electrically connected to one end of the fourth branch and one end of the fifth branch, and the other ends of the fourth branch and the fifth branch are electrically connected to the other output end L21 of the second power supply.
As shown in fig. 1, the switch SA has a first state and a second state.
When the switch SA is in the first state, the switch SA electrically connects the first electrical connection point a1 with one end of the fourth branch.
When the switch SA is in the second state, the switch SA electrically connects the first electrical connection point a1 with one end of the fifth branch.
In the fifth branch, the first switch button SB1 and one normally open switch KA31 of the third relay are connected in parallel to each other and then connected in series with a coil LA3 of the third relay.
And the other normally open switch KA32 of the third relay is connected with the coil LM of the contactor in series and is connected with the first normally open switch KA1 in parallel.
A second switch button SB2 connected in series with the first liquid level trigger switch FzD is further provided between one output terminal L31 of the second power supply and the first electrical connection point a 1.
One output end L31 and the other output end L21 of the second power supply are respectively a power supply end and a ground end, or a ground end and a power supply end. For example, one output terminal L31 is electrically connected to a positive power supply terminal, and the other output terminal L21 is electrically connected to a reference ground.
The first power supply is a three-phase power supply, and two output ends L21 and L31 of the second power supply are respectively and correspondingly electrically connected with the two-phase output end of the first power supply.
The first liquid level trigger switch FzD and the second liquid level trigger switch FzG are float switches.
The device is electric gas water pump control system, possesses manual control and automatic timesharing drainage function, and in order to accomplish to fall this energy-conservation, the device can set for the live time scope, with main operating time control in the low ebb period of electricity price, provides the top level protection simultaneously, accomplishes automated control under the condition that does not influence normal production. The coil (DTL) of the timing control unit is maintained in a closed state for a preset time period and in an open state for a preset time period. The preset time period may be set to a peak hour of the available electricity. For example, the preset time period may be 9 am to 10 pm.
A sixth branch and a seventh branch are connected between the first electric connection point A1 and the other output end L21 of the second power supply;
the first branch, the second branch, the sixth branch and the seventh branch are connected in parallel;
an auxiliary normally-open switch KMG and a first signal lamp HG of the contactor are connected in series on a sixth branch;
and an auxiliary normally closed switch KMR and a second signal lamp HR of the contactor are connected in series on the seventh branch.
The utility model discloses in, the predetermined time quantum can set up to the peak period of using the electricity. For example, the preset time period may be 9 am to 10 pm. The timing control unit may be a time timer. The contactor may be an ac contactor.
The working principle of the time relay is that an executive device starts timing after receiving a starting signal, and a contact of the time relay has corresponding opening or closing action after timing is finished, so that a subsequent circuit is pushed to work. Generally speaking, the delay function of a time relay can be adjusted at will within the designed range, so that the function of adjusting the delay time can be realized. The utility model discloses in, the time delay control water pump is opened and is stopped to the service time relay collocation auxiliary relay (be first relay promptly). Generally speaking, a time relay has: air damping, electrodynamic, electromagnetic and electronic time relays. The design adopts an electronic relay. The electronic time relay utilizes the principle that the voltage of a capacitor in an RC circuit can not jump and can only change gradually according to an exponential law. It has the main technical characteristics that: the time delay range is wider, the precision is high, generally 5%, the volume is small, the shock and vibration resistance is realized, and the adjustment is convenient.
The float switch operates by magnetic force without a mechanical connecting device, and the movement is simple and reliable. When the float switch is placed in a detected medium to float, the float drives the main body of the float switch to move, and the magnet on the control rod has a switching action when the magnet at the other end of the float switch moves. The float switch has: plastic, PP + NBR floating balls, PVDF, Telion, stainless steel + PP floating balls and stainless steel + NBR floating balls. Because the medium to be measured of this design is water, does not have the other impurity existence that disturb the result of being measured, so only need select for use plastic class float switch.
The utility model discloses in, manual control, automatic control can be realized to drainage controlling means. The two are switched to each other by a switch (preferably, a knob).
When changeing the knob to manual control end, by opening and stop the opening of button control water pump, when pressing first shift knob SB1, the coil LA3 of third relay gets electric, the relay contact corresponds the action, KA31, the actuation of KA32, AC contactor's coil LM gets electric, AC contactor's normally open switch KM1 actuation, just the start work of water pump, AC contactor auxiliary contact KMG simultaneously, the corresponding action of KMR, light running signal lamp HG, extinguish and stop HR signal lamp. When the water pump stops working, the control circuit loses power by only pressing the second switch button SB2, the coil LA3 of the third relay is recovered, the contact KA2 is disconnected, the coil LM of the alternating current contactor is recovered, the normally open switch KM1 of the contactor is disconnected, and the water pump stops working.
When the knob is rotated to be automatically controlled, in order to control the working time of the water pump to be in the trough period as much as possible, the working time is set through a time timer. As long as the time timer can work within the set time, the normally open switch DT of the timing control unit acts, the coil LA1 of the first relay is powered on, the first normally open switch KA1 acts, the coil LM of the alternating current contactor is powered on, the normally open switch KM1 of the alternating current contactor is attracted, the water pump starts to work, when the preset low water level is reached, the first liquid level trigger switch FzD is disconnected, the control circuit is powered off, the water pump can automatically stop until the low water level signal disappears. In order to guarantee safe production, the device is designed with a protection function in non-set working time, and in order to save energy and reduce cost, the device only ensures that accumulated water does not reach a warning water level (namely the height H2) in the non-working time. The design uses a time relay to control the run time during the peak period. When the water level reaches the warning water level height H2, the second liquid level trigger switch FzG will act, the coil KTL of the time relay is electrified, the coil LA2 of the second relay is disconnected in a delayed mode after being electrified, and the effect of controlling the running time of the water pump in a peak period is achieved.
The utility model discloses a time control automatic drainage controlling means is in order to alleviate labourer's pressure on the one hand, also responded simultaneously and fallen this energy-conserving consciousness calling, utilize the operating time of time relay control water pump, set up main operating time section, with the control of equipment operation duration furthest in the lower power consumption trough phase of price of electricity, when having guaranteed normal production, automated control and energy-conserving effect have been realized, the labour has been liberated, unnecessary waste has been reduced, and the production efficiency is improved. The device is suitable for places needing stable water quantity, such as underground drainage, factory water supply and the like.
The alternating current contactor, the thermal relay, the air switch and the like used in the design all need to select corresponding models according to actual requirements on site.
The time control automatic drainage control device can replace manual work to monitor the water level in real time continuously, the problem that manual work cannot adjust in time due to too fast water quantity change is solved, the device can control the drainage time in a time-sharing mode, the electricity price peak period is avoided, the running cost of equipment is reduced, a timing running function is arranged in the protection of a non-set working time period, the times of starting and stopping a pump are reduced, the service life of the equipment is prolonged, and the labor intensity of operators is reduced.
Example 2
As shown in fig. 4, the drain control device further includes a second relay, a third liquid level trigger switch FzM.
Fig. 4 shows only a partial circuit configuration, that is, a circuit configuration of the second branch and a circuit configuration of the fourth branch, and the other branches can refer to embodiment 1.
A fourth branch is further connected between the first electric connection point A1 and the other output end L21 of the second power supply, and the first branch, the second branch and the fourth branch are connected in parallel.
The fourth branch is provided with the second liquid level trigger switch FzG and a coil LA2 of a second relay which are connected in series, and the second normally open switch KA21 is a normally open switch of the second relay and is a self-locking switch.
The second normally open switch KA21 and the third liquid level trigger switch FzM are connected in series, and the branch circuits where the second normally open switch KA21 and the third liquid level trigger switch FzM are located are connected in parallel with the first normally open switch KA 1.
In this embodiment, the action unit is used for turning off the branch where the second normally-open switch KA21 is located when the liquid level is lower than H3. H1 < H3 < H2. That is, in this embodiment, the action unit includes a third level trigger switch FzM.
When the liquid level in the water tank is not lower than the liquid level height H1, the first liquid level trigger switch FzD is in a closed state. When the liquid level in the water tank is lower than the liquid level height H1, the first liquid level trigger switch FzD is in an off state.
When the liquid level in the water tank is not lower than the liquid level height H3, the third liquid level trigger switch FzM is in a closed state. When the liquid level in the water tank is lower than the liquid level height H3, the third liquid level trigger switch FzM is in an off state.
H1＜H3＜H2。
It should be noted that, in this specification, each embodiment is described in a progressive manner, and each embodiment focuses on differences from other embodiments, and portions that are the same as and similar to each other in each embodiment may be referred to.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent. After reading the present invention, modifications of various equivalent forms of the invention by those skilled in the art will fall within the scope of the appended claims. In the case of conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
Claims (10)
1. A drainage control device is characterized by comprising a first power supply, a second power supply, a contactor, a timing control unit, a first liquid level trigger switch (FzD) and a first normally open switch (KA 1);
a normally open switch (KM1) of the contactor is electrically connected between the first power supply and the drainage water pump (M);
the two output ends (L21, L31) of the second power supply have a first electric connection point (A1) between them;
the first level trigger switch (FzD) is electrically connected between an output (L31) of the second power supply and the first electrical connection point (A1);
a first branch and a second branch are connected in parallel between the first electric connection point (A1) and the other output end (L21) of the second power supply;
a coil (DTL) of the timing control unit is arranged on the first branch;
a coil (LM) of the contactor and a first normally open switch (KA1) are connected in series with the second branch circuit;
when the coil (DTL) of the timing control unit is electrified, the first normally open switch (KA1) is in a closed state.
2. The drain control apparatus according to claim 1, characterized in that: the drainage control device also comprises a first relay; a third branch is connected between the first electric connection point (A1) and the other output end (L21) of the second power supply, and the first branch, the second branch and the third branch are connected in parallel;
a coil (LA1) of a first relay and a normally open switch (DT) of a timing control unit which are connected in series are arranged on the third branch; the first normally open switch (KA1) is a normally open switch of the first relay.
3. The drain control apparatus according to claim 1, characterized in that: the drainage control device also comprises a second liquid level trigger switch (FzG) and a second normally open switch (KA 21);
the second normally open switch (KA21) is connected in series with the coil (LM) of the contactor and in parallel with the first normally open switch (KA 1); when the liquid level in the water tank is higher than the liquid level height H2, the second liquid level trigger switch (FzG) is in a closed state, and the second normally open switch (KA21) is in a closed state;
when the liquid level in the water tank is not higher than the liquid level height H2, the second liquid level trigger switch (FzG) is turned off.
4. The drainage control device according to claim 3, characterized in that: the drainage control device also comprises a second relay and a time relay;
a fourth branch is connected between the first electric connection point (A1) and the other output end (L21) of the second power supply, and the first branch, the second branch and the fourth branch are connected in parallel;
the fourth branch is provided with a first parallel circuit and a second parallel circuit which are connected in series;
the second liquid level trigger switch (FzG) and a normally open switch (KA22) of the second relay are connected in parallel to form a first parallel circuit;
a coil (LA2) of a second relay and a normally closed time-delay-off switch (KT) of the time relay are arranged on one parallel branch of the second parallel circuit in series, and a coil (KTL) of the time relay is arranged on the other parallel branch;
the second normally-open switch (KA21) is another normally-open switch of the second relay.
5. The drainage control device according to claim 3, characterized in that: the drainage control device also comprises a second relay and a third liquid level trigger switch (FzM);
a fourth branch is connected between the first electric connection point (A1) and the other output end (L21) of the second power supply, and the first branch, the second branch and the fourth branch are connected in parallel;
the fourth branch is provided with the second liquid level trigger switch (FzG) and a coil (LA2) of a second relay which are connected in series, and the second normally open switch (KA21) is a normally open switch of the second relay and is a self-locking switch;
the second normally open switch (KA21) and the third liquid level trigger switch (FzM) are connected in series, and the branch circuits where the second normally open switch (KA21) and the third liquid level trigger switch (FzM) are located are connected with the first normally open switch (KA1) in parallel.
6. The drainage control device according to claim 5, characterized in that:
when the liquid level in the water tank is not lower than the liquid level height H1, the first liquid level trigger switch (FzD) is in a closed state; when the liquid level in the water tank is lower than the liquid level height H1, the first liquid level trigger switch (FzD) is in an off state;
when the liquid level in the water tank is not lower than the liquid level height H3, the third liquid level trigger switch (FzM) is in a closed state; when the liquid level in the water tank is lower than the liquid level height H3, the third liquid level trigger switch (FzM) is in an off state;
H1＜H3＜H2。
7. the drainage control device according to claim 3, characterized in that: when the liquid level in the water tank is not lower than the liquid level height H1, the first liquid level trigger switch (FzD) is in a closed state; when the liquid level in the water tank is lower than the liquid level height H1, the first liquid level trigger switch (FzD) is in an off state; h1 < H2.
8. The drainage control device according to claim 3, characterized in that: the first liquid level trigger switch (FzD) and the second liquid level trigger switch (FzG) are both float switches.
9. The drainage control device according to any one of claims 1 to 8, wherein: the drainage control device also comprises a selector Switch (SA), a fifth branch, a third relay and a first switch button (SB 1);
the Switch (SA) has a first state and a second state;
when the change-over Switch (SA) is in a first state, the change-over Switch (SA) electrically connects the first electric connection point (A1) with one end of the fourth branch circuit;
when the change-over Switch (SA) is in a second state, the change-over Switch (SA) electrically connects the first electric connection point (A1) with one end of the fifth branch circuit;
the other end of the fourth branch and the other end of the fifth branch are both electrically connected with the other output end (L21) of the second power supply;
on the fifth branch, the first switch button (SB1) and a normally open switch (KA31) of the third relay are connected in parallel and then are connected with a coil (LA3) of the third relay in series;
the other normally open switch (KA32) of the third relay is connected with the coil (LM) of the contactor in series and connected with the first normally open switch (KA1) in parallel.
10. The drainage control device according to any one of claims 1 to 8, wherein: one output end (L31) and the other output end (L21) of the second power supply are respectively a power supply end and a grounding end or a grounding end and a power supply end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123237136.9U CN217233583U (en) | 2021-12-22 | 2021-12-22 | Drainage control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123237136.9U CN217233583U (en) | 2021-12-22 | 2021-12-22 | Drainage control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217233583U true CN217233583U (en) | 2022-08-19 |
Family
ID=82826059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123237136.9U Active CN217233583U (en) | 2021-12-22 | 2021-12-22 | Drainage control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217233583U (en) |
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2021
- 2021-12-22 CN CN202123237136.9U patent/CN217233583U/en active Active
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