CN211778061U - Circulating water replenishing frequency conversion control device - Google Patents
Circulating water replenishing frequency conversion control device Download PDFInfo
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- CN211778061U CN211778061U CN201922471520.1U CN201922471520U CN211778061U CN 211778061 U CN211778061 U CN 211778061U CN 201922471520 U CN201922471520 U CN 201922471520U CN 211778061 U CN211778061 U CN 211778061U
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Abstract
A circulating water supplementing frequency conversion control device comprises a PLC controller, a circulating pipe and a water supplementing pipe communicated with the circulating pipe; the water replenishing pipe is connected with a water replenishing tank; the circulating pipe is provided with a circulating pump set controlled by a circulating control circuit; the water replenishing pipe is provided with a water replenishing pump set controlled by a water replenishing control circuit; the PLC is electrically connected with the circulation control circuit and the water supplementing control circuit and controls the running states of the circulation pump set and the water supplementing pump set; the circulating pump group comprises a first circulating pump and a second circulating pump which are arranged at a water inlet and a water outlet of the circulating pipe, and the circulating pump group can be quickly and effectively started to work; the water replenishing pump frequency control circuit comprises an automatic water replenishing pump frequency control branch and a manual water replenishing pump frequency control branch which are controlled by a switch SA21, and can quickly control the opening and frequency conversion of the water replenishing pump set according to needs.
Description
Technical Field
The utility model belongs to the technical field of the energy-conserving technique of frequency conversion and specifically relates to a circulation moisturizing frequency conversion control device.
Background
The circulating water supplementing device is suitable for heating and air conditioning systems and various circulating water systems, and has the functions of stabilizing the pressure and supplementing water; a large amount of circulating water is evaporated in the cooling process, so that fresh clean water needs to be introduced from the outside of the device to compensate the lost water, and the part of the supplemented water is supplemented water of the circulating device; the circulating water pump is used for providing power for water circulation; the existing circulating water supplementing device cannot quickly start a circulating pump, so that the efficiency is low; and can not adjust opening and the operating frequency of moisturizing pump in real time as required, do not have the aforesaid problem of solving simultaneously that a device can be fine so far, need the utility model a reach the device of this purpose now.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a circulation moisturizing frequency conversion control device.
The utility model provides a its technical problem take following technical scheme to realize:
a circulating water supplementing frequency conversion control device comprises a PLC controller, a circulating pipe and a water supplementing pipe communicated with the circulating pipe; the water replenishing pipe is connected with a water replenishing tank; the circulating pipe is provided with a circulating pump set controlled by a circulating control circuit; the water replenishing pipe is provided with a water replenishing pump set controlled by a water replenishing control circuit;
the PLC controller is electrically connected with the circulation control circuit and the water supplementing control circuit to control the circulation pump set and the water supplementing pump set to operate.
Preferably, the circulation control circuit comprises a circulation pump work control branch and a circulation pump frequency conversion control branch, which are respectively used for controlling the opening and frequency conversion of the circulation pump group.
Preferably, the circulating pump group comprises a first circulating pump and a second circulating pump which are arranged at a water inlet and a water outlet of the circulating pipe; the water replenishing pump set comprises a first water replenishing pump and a second water replenishing pump which are arranged on the water replenishing pipe; and the first water replenishing pump and the second water replenishing pump are arranged in parallel.
Preferably, the circulation pump operation control circuit includes an intermediate relay KA14 and an intermediate relay KA15 controlled by a switch SA12, and is used for turning on the first circulation pump and the second circulation pump, respectively.
Preferably, the circulating pump frequency conversion control branch is connected in parallel with the first circulating frequency conversion branch and the second circulating frequency conversion branch.
Preferably, circulation control circuit includes the remote communication circuit, and switch SA11 is connected with auxiliary relay KA11, auxiliary relay KA 11's normally open contact is connected the remote communication circuit, remote communication circuit's output respectively with first circulation frequency conversion branch road the second circulation frequency conversion branch road connects gradually, works as switch SA11 closed control auxiliary relay KA11 gets electric, auxiliary relay KA 11's normally open contact is closed, accessible remote communication circuit control first circulating pump the operation of second circulating pump.
Preferably, the water replenishing control circuit comprises a water replenishing pump work control branch and a water replenishing pump frequency control branch, and the water replenishing pump work control branch and the water replenishing pump frequency control branch are respectively used for controlling the starting and frequency conversion of the water replenishing pump set; the water replenishing pump work control circuit comprises an intermediate relay KA26 and an intermediate relay KA27 which are controlled by a switch SA22 and are respectively used for starting the first water replenishing pump and the second water replenishing pump.
Preferably, the water replenishing pump frequency control circuit comprises an automatic water replenishing pump frequency control branch and a manual water replenishing pump frequency control branch which are controlled by a switch SA 21; the manual water replenishing pump frequency control branch comprises a water replenishing power frequency branch and a water replenishing frequency conversion branch controlled by a switch SA 23; the water replenishing power frequency branch is connected with the first water replenishing power frequency branch and the second water replenishing power frequency branch in parallel; and the water supplementing frequency conversion branch is connected with the first water supplementing frequency conversion branch and the second water supplementing frequency conversion branch in parallel.
Preferably, the cycle control circuit includes a cycle indication circuit; the cycle indicating circuit comprises a first cycle frequency conversion indication and a second cycle frequency conversion indication which are connected in parallel.
Preferably, the water replenishing control circuit comprises a water replenishing indicating circuit; the water supplementing indicating circuit comprises a water supplementing fault indication, a first water supplementing frequency conversion indication, a first water supplementing power frequency indication, a second water supplementing frequency conversion indication and a second water supplementing power frequency indication which are connected in parallel.
The utility model has the advantages that:
1. the utility model comprises a PLC controller, a circulating pipe and a water replenishing pipe communicated with the circulating pipe; the water replenishing pipe is connected with a water replenishing tank; the circulating pipe is provided with a circulating pump set controlled by a circulating control circuit; the water replenishing pipe is provided with a water replenishing pump set controlled by a water replenishing control circuit; the PLC is electrically connected with the circulation control circuit and the water supplementing control circuit and controls the running states of the circulation pump set and the water supplementing pump set; the circulating pump group comprises a first circulating pump and a second circulating pump which are arranged at a water inlet and a water outlet of the circulating pipe, and the circulating pump group can be quickly and effectively started to work.
2. The water replenishing control circuit comprises a water replenishing pump work control branch and a water replenishing pump frequency control branch, which are respectively used for controlling the opening and frequency conversion of the water replenishing pump set; the water replenishing pump frequency control circuit comprises an automatic water replenishing pump frequency control branch and a manual water replenishing pump frequency control branch which are controlled by a switch SA21, and can quickly control the opening and frequency conversion of the water replenishing pump set according to needs.
Drawings
FIG. 1 is a connection block diagram of the circulation control circuit and the water-replenishing control circuit of the present invention;
FIG. 2 is a connection diagram of the circulation control circuit of the present invention;
FIG. 3 is a connection diagram of the water supply control circuit of the present invention;
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
as shown in figure 1, the circulating water supplementing variable frequency control device comprises a PLC controller, a circulating pipe and a water supplementing pipe communicated with the circulating pipe; the water replenishing pipe is connected with a water replenishing tank; the circulating pump group comprises a first circulating pump and a second circulating pump which are arranged at a water inlet and a water outlet of the circulating pipe; the water replenishing pump set comprises a first water replenishing pump and a second water replenishing pump which are arranged on the water replenishing pipe; the first water replenishing pump and the second water replenishing pump are arranged in parallel; the circulating pipe is provided with a circulating pump set controlled by a circulating control circuit; the water replenishing pipe is provided with a water replenishing pump set controlled by a water replenishing control circuit; the PLC is electrically connected with the circulation control circuit and the water supplementing control circuit and controls the running states of the circulation pump set and the water supplementing pump set;
the circulation control circuit comprises a circulation pump work control branch and a circulation pump frequency conversion control branch which are respectively used for controlling the opening and frequency conversion of the circulation pump set; the circulating pump work control circuit comprises an intermediate relay KA14 and an intermediate relay KA15 which are controlled by a switch SA12 and are respectively used for starting the first circulating pump and the second circulating pump;
the circulating pump frequency conversion control branch is connected with the first circulating frequency conversion branch and the second circulating frequency conversion branch in parallel; the circulation control circuit comprises a remote communication circuit, a switch SA11 is connected with an intermediate relay KA11, a normally open contact of the intermediate relay KA11 is connected with the remote communication circuit, an output end of the remote communication circuit is respectively connected with the first circulation frequency conversion branch and the second circulation frequency conversion branch in sequence, when the switch SA11 is closed, the intermediate relay KA11 is controlled to be powered on, the normally open contact of the intermediate relay KA11 is closed, and the first circulation pump and the second circulation pump can be controlled to operate through the remote communication circuit; the cycle control circuit comprises a cycle indication circuit; the cycle indicating circuit comprises a first cycle frequency conversion indication and a second cycle frequency conversion indication which are connected in parallel.
The water replenishing control circuit comprises a water replenishing pump work control branch and a water replenishing pump frequency control branch which are respectively used for controlling the opening and frequency conversion of the water replenishing pump set; the water replenishing pump work control circuit comprises an intermediate relay KA26 and an intermediate relay KA27 which are controlled by a switch SA22 and are respectively used for starting the first water replenishing pump and the second water replenishing pump; the water replenishing pump frequency control circuit comprises an automatic water replenishing pump frequency control branch and a manual water replenishing pump frequency control branch which are controlled by a switch SA 21; the manual water replenishing pump frequency control branch comprises a water replenishing power frequency branch and a water replenishing frequency conversion branch controlled by a switch SA 23; the water replenishing power frequency branch is connected with the first water replenishing power frequency branch and the second water replenishing power frequency branch in parallel; the water replenishing frequency conversion branch is connected with the first water replenishing frequency conversion branch and the second water replenishing frequency conversion branch in parallel; the water replenishing control circuit comprises a water replenishing indicating circuit; the water supplementing indicating circuit comprises a water supplementing fault indication, a first water supplementing frequency conversion indication, a first water supplementing power frequency indication, a second water supplementing frequency conversion indication and a second water supplementing power frequency indication which are connected in parallel.
As shown in fig. 2, the cyclic frequency conversion branch comprises a button SB11, a button SB12, a normally open contact of a contactor KM11, a frequency converter switch BP1 and an intermediate relay KA12 which are sequentially arranged in series, wherein the button SB12 is interlocked with the normally open contact of the intermediate relay KA12, and the contactor KM11 is interlocked with the contactor KM12 for realizing manual control in a frequency conversion state;
the first circulating frequency conversion branch comprises a normally open contact of an intermediate relay KA14, a normally closed contact of an intermediate relay KA10, a normally closed contact of a contactor KM12 and a contactor KM11 which are sequentially connected in series, wherein the switch SA12 controls the intermediate relay KA14 to be electrified, so that the normally open contact of the intermediate relay KA14 is closed, the contactor KM11 is electrified, and the first circulating pump works in a frequency conversion mode; the second circulation frequency conversion branch road includes that the normally open contact that has auxiliary relay KA15, auxiliary relay KA 10's normally closed contact, contactor KM 11's normally closed contact and contactor KM12 establish ties in proper order, and switch SA12 control auxiliary relay KA15 gets electric, and auxiliary relay KA 15's normally open contact is closed to make contactor KM12 get electric, controls second circulating pump frequency conversion work.
The first circulating frequency conversion indication comprises a normally open contact of a contactor KM11, a normally open contact of an intermediate relay KA13 and an indicator lamp H12 which are sequentially connected in series, when the first circulating pump works in a frequency conversion mode, the normally open contact of the contactor KM11 is closed, the intermediate relay KA13 is closed, the indicator lamp H12 is bright, and first circulating frequency conversion indication is made; the normally open contact of contactor KM12, intermediate relay KA 13's normally open contact and pilot lamp H13 are established ties in proper order on the second circulation frequency conversion instruction, and at second circulating pump frequency conversion during operation, contactor KM 12's normally open contact is closed, and intermediate relay KA 13's normally open contact is closed, and pilot lamp H13 is closed, makes the second circulation frequency conversion instruction.
As shown in fig. 3, the water replenishing tank module comprises an intermediate relay KA25 for controlling the frequency control branch of the water replenishing pump; the automatic water replenishing pump frequency control branch comprises an intermediate relay KA20 and an intermediate relay KA21 which are connected in parallel; the water supplementing frequency conversion branch comprises a button SB21, a button SB22, a normally open contact of a contactor KM21 and an intermediate relay KA22 which are sequentially arranged in series, wherein the button SB22 is interlocked with the normally open contact of the intermediate relay KA22, and the contactor KM21 is interlocked with the contactor KM22 for realizing manual control in a frequency conversion state; moisturizing power frequency branch road is including the button SB23, the button SB24, thermal relay KH21 and the auxiliary relay KA23 that establish ties in proper order and set up, button SB24 with the normally open contact interlock of auxiliary relay KA23 for realize manual control and automatic control under the power frequency state.
The first water supplementing power frequency branch comprises a normally open contact of an intermediate relay KA26, a normally open contact of an intermediate relay KA23, a normally closed contact of an intermediate relay KA21, a normally closed contact of a relay KM21 and a contactor KM21.1 which are sequentially connected in series, a button SB24 is pressed, the intermediate relay KA23 is electrified, the normally open contact of the intermediate relay KA23 is closed, the contactor KM21.1 is electrified, the normally closed contact of the contactor KM21.1 is disconnected, the contactor KM21 is not electrified, the normally open contact of the contactor KM21 is disconnected and the normally closed contact is closed, and the first water supplementing pump is switched to a power frequency state through frequency conversion; second moisturizing power frequency branch road is including the normally open contact of the intermediate relay KA27 that sets up in proper order in series connection, the normally open contact of intermediate relay KA23, the normally closed contact of intermediate relay KA21, relay KM 22's normally closed contact and contactor KM22.1, press button SB24, intermediate relay KA23 gets electric, intermediate relay KA 23's normally open contact is closed, contactor KM22.1 gets electric, contactor KM 22.1's normally closed contact disconnection, contactor KM22 loses the electricity, contactor KM 22's normally open contact disconnection, normally closed contact is closed, the second moisturizing pump is switched into power frequency state by the frequency conversion.
The first water replenishing frequency conversion branch comprises a normally open contact of an intermediate relay KA26, a normally closed contact of an intermediate relay KA21, a normally closed contact of a contactor KM22, a normally closed contact of a contactor KM21.1 and a contactor KM21 which are sequentially connected in series, wherein the switch SA22 controls the intermediate relay KA26 to be electrified, so that the normally open contact of the intermediate relay KA26 is closed, the contactor KM21 is electrified, and the first water replenishing pump works in a frequency conversion mode; second moisturizing frequency conversion branch road is including the normally open contact that has auxiliary relay KA27, auxiliary relay KA 21's normally closed contact, contactor KM 21's normally closed contact, contactor KM 22.1's normally closed contact and contactor KM22 in series connection in proper order, and switch SA22 control auxiliary relay KA27 gets electric, and auxiliary relay KA 27's normally open contact is closed to make contactor KM22 get electric, control second moisturizing pump frequency conversion work.
The intermediate relay KA20 is connected with a frequency conversion switch BP2, and one path of the intermediate relay is respectively connected with the first water replenishing frequency conversion branch and the second water replenishing frequency conversion branch; one path is connected with a first water supplementing power frequency branch in parallel through a contactor KM22 and a contactor KM 21.1; one path is connected with a second water supplementing power frequency branch in parallel through a contactor KM21 and a contactor KM 22.1.
The water replenishing fault indication device is provided with a normally open contact of a thermal relay KH21, the normally open contact of the thermal relay KH21 is connected with an indicator lamp H21 in series, the indicator lamp H21 is connected to a zero line, when a circuit breaks down, the normally open contact of the thermal relay KH21 is closed, and the indicator lamp H21 is turned on to give a water replenishing fault indication;
the first water replenishing frequency conversion indication device comprises a normally open contact of a contactor KM21, a normally open contact of an intermediate relay KA24 and an indicator lamp H22 which are sequentially connected in series, wherein when the first water replenishing pump works in a frequency conversion mode, the normally open contact of the contactor KM21 is closed, the intermediate relay KA24 is closed, the indicator lamp H22 is bright, and a first water replenishing frequency conversion indication is made; the first water supplementing power frequency indication comprises a normally open contact of a contactor KM21.1 and an indicator lamp H23 which are sequentially connected in series, when the first water supplementing pump works, the normally open contact of the contactor KM21.1 is closed, the indicator lamp H23 is closed, and the first water supplementing power frequency indication is made; the normally open contact of the contactor KM22, the normally open contact of the intermediate relay KA24 and the indicator lamp H24 are sequentially connected in series on the second water replenishing frequency conversion indicator, when the second water replenishing pump works in a frequency conversion mode, the normally open contact of the contactor KM22 is closed, the normally open contact of the intermediate relay KA24 is closed, the indicator lamp H24 is closed, and a second water replenishing frequency conversion indicator is made; and the second water supplementing power frequency indication comprises a normally open contact and an indicator lamp H25 of the contactor KM22.1 which are sequentially connected in series, when the second water supplementing pump works at the power frequency, the normally open contact of the contactor KM22.1 is closed, and the indicator lamp H25 is bright to indicate the second water supplementing power frequency.
The PLC is connected with the circulation control circuit and the water replenishing control circuit to control the operation states of the circulation pump set and the water replenishing pump set; the circulating pump work control branch and the circulating pump frequency conversion control branch control the opening and the frequency of the circulating pump group; the water replenishing tank controls the opening and the working frequency of the water replenishing pump set through the water replenishing pump working control branch and the water replenishing pump frequency control branch.
The utility model comprises a PLC controller, a circulating pipe and a water replenishing pipe communicated with the circulating pipe; the water replenishing pipe is connected with a water replenishing tank; the circulating pipe is provided with a circulating pump set controlled by a circulating control circuit; the water replenishing pipe is provided with a water replenishing pump set controlled by a water replenishing control circuit; the PLC is electrically connected with the circulation control circuit and the water supplementing control circuit and controls the running states of the circulation pump set and the water supplementing pump set; the circulating pump group comprises a first circulating pump and a second circulating pump which are arranged at a water inlet and a water outlet of the circulating pipe, and the circulating pump group can be quickly and effectively started to work; the water replenishing pump frequency control circuit comprises an automatic water replenishing pump frequency control branch and a manual water replenishing pump frequency control branch which are controlled by a switch SA21, and can quickly control the opening and frequency conversion of the water replenishing pump set according to needs.
It should be emphasized that the embodiments of the present invention are illustrative and not restrictive, and therefore the present invention is not limited to the embodiments described in the detailed description, and all other embodiments derived from the technical solutions of the present invention by those skilled in the art also belong to the scope of the present invention.
Claims (10)
1. A circulating water supplementing frequency conversion control device comprises a circulating pipe and a water supplementing pipe communicated with the circulating pipe; the water replenishing pipe is connected with a water replenishing tank; the method is characterized in that: the circulating pipe is provided with a circulating pump set controlled by a circulating control circuit; the water replenishing pipe is provided with a water replenishing pump set controlled by a water replenishing control circuit;
the PLC controller is electrically connected with the circulation control circuit and the water supplementing control circuit to control the circulation pump set and the water supplementing pump set to operate.
2. The circulating water replenishing frequency conversion control device according to claim 1, characterized in that: the circulation control circuit comprises a circulation pump work control branch and a circulation pump frequency conversion control branch, and the circulation pump work control branch and the circulation pump frequency conversion control branch are respectively used for controlling the opening and the frequency conversion of the circulation pump set.
3. The circulating water replenishing frequency conversion control device according to claim 2, characterized in that: the circulating pump group comprises a first circulating pump and a second circulating pump which are arranged at a water inlet and a water outlet of the circulating pipe; the water replenishing pump set comprises a first water replenishing pump and a second water replenishing pump which are arranged on the water replenishing pipe; and the first water replenishing pump and the second water replenishing pump are arranged in parallel.
4. The circulating water replenishing frequency conversion control device according to claim 3, characterized in that: the circulating pump work control circuit comprises an intermediate relay KA14 and an intermediate relay KA15 which are controlled by a switch SA12 and are respectively used for starting the first circulating pump and the second circulating pump.
5. The circulating water replenishing frequency conversion control device according to claim 4, characterized in that: and the circulating pump frequency conversion control branch is connected with the first circulating frequency conversion branch and the second circulating frequency conversion branch in parallel.
6. The circulating water replenishing frequency conversion control device according to claim 5, characterized in that: circulation control circuit includes the remote communication circuit, and switch SA11 is connected with auxiliary relay KA11, auxiliary relay KA 11's normally open contact is connected the remote communication circuit, the output of remote communication circuit respectively with first circulation frequency conversion branch road the second circulation frequency conversion branch road connects gradually, works as switch SA11 closed control auxiliary relay KA11 gets electric, auxiliary relay KA 11's normally open contact is closed, accessible remote communication circuit control first circulating pump the operation of second circulating pump.
7. The circulating water replenishing frequency conversion control device according to claim 3, characterized in that: the water replenishing control circuit comprises a water replenishing pump work control branch and a water replenishing pump frequency control branch which are respectively used for controlling the opening and frequency conversion of the water replenishing pump set; the water replenishing pump work control circuit comprises an intermediate relay KA26 and an intermediate relay KA27 which are controlled by a switch SA22 and are respectively used for starting the first water replenishing pump and the second water replenishing pump.
8. The circulating water replenishing frequency conversion control device according to claim 6, characterized in that: the water replenishing pump frequency control circuit comprises an automatic water replenishing pump frequency control branch and a manual water replenishing pump frequency control branch which are controlled by a switch SA 21; the manual water replenishing pump frequency control branch comprises a water replenishing power frequency branch and a water replenishing frequency conversion branch controlled by a switch SA 23; the water replenishing power frequency branch is connected with the first water replenishing power frequency branch and the second water replenishing power frequency branch in parallel; and the water supplementing frequency conversion branch is connected with the first water supplementing frequency conversion branch and the second water supplementing frequency conversion branch in parallel.
9. The circulating water replenishing frequency conversion control device according to claim 1, characterized in that: the cycle control circuit comprises a cycle indication circuit; the cycle indicating circuit comprises a first cycle frequency conversion indication and a second cycle frequency conversion indication which are connected in parallel.
10. The circulating water replenishing frequency conversion control device according to claim 1, characterized in that: the water replenishing control circuit comprises a water replenishing indicating circuit; the water supplementing indicating circuit comprises a water supplementing fault indication, a first water supplementing frequency conversion indication, a first water supplementing power frequency indication, a second water supplementing frequency conversion indication and a second water supplementing power frequency indication which are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471520.1U CN211778061U (en) | 2019-12-31 | 2019-12-31 | Circulating water replenishing frequency conversion control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471520.1U CN211778061U (en) | 2019-12-31 | 2019-12-31 | Circulating water replenishing frequency conversion control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778061U true CN211778061U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922471520.1U Active CN211778061U (en) | 2019-12-31 | 2019-12-31 | Circulating water replenishing frequency conversion control device |
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| Country | Link |
|---|---|
| CN (1) | CN211778061U (en) |
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2019
- 2019-12-31 CN CN201922471520.1U patent/CN211778061U/en active Active
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