CN104005942A - Starting method of compressors of heat pump system and hot water unit - Google Patents
Starting method of compressors of heat pump system and hot water unit Download PDFInfo
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- CN104005942A CN104005942A CN201410262421.1A CN201410262421A CN104005942A CN 104005942 A CN104005942 A CN 104005942A CN 201410262421 A CN201410262421 A CN 201410262421A CN 104005942 A CN104005942 A CN 104005942A
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Abstract
The invention provides a starting method of compressors of a heat pump system and a hot water unit. The starting method of the compressors of the heat pump system is used for starting the compressors when the heat pump system is electrified. In the electrifying process, first starting delay waiting information of the compressors is randomly generated by the heat pump system, the randomly-generated first starting delay waiting information is given to the compressors, and the compressors wait for the corresponding time according to the given first starting delay waiting information and then are started. According to the starting method of the compressors of the heat pump system, the data of the starting delay waiting information of the compressors is subjected to flexibility when the heat pump system is electrified again, and the starting delay waiting information of all the compressors is all randomly generated. Through the mode, from the aspect of probability, the probability that the starting delay waiting information of all the compressors is equal is very small, and therefore impact on a power grid when the compressors are electrified can be effectively avoided.
Description
Technical field
The present invention relates to field of household appliances, more specifically, relate to a kind of starting method and a kind of Hot water units of compressor of heat pump.
Background technique
In heat pump, in order to reduce compressor in the impact starting electrical network, generally all can be staggered the starting time of each compressor, but in particular cases (as after having a power failure, send a telegram here again) at some, each compressor is likely opened simultaneously, and electrical network is caused to larger impact, in serious situation, can cause the problems such as tripping operation.
Chasing after its reason is: after subtense angle powers on, have a necessary waiting time, guarantee that compressor has enough time delays, this delay duration of same subtense angle (as: coming from the subtense angle of the product of same producer) is all generally the same, all subtense angles power on simultaneously, start timing simultaneously, will inevitably cause so the situation that compressor starts simultaneously to occur.
The scheme solving in prior art is: the subtense angle at each compressor place is in parallel, subtense angle in parallel is controlled by unified main frame, by main frame when powering on (that is: while being again conducted with power supply, as after having a power failure, send a telegram here again) compressor in each subtense angle is distributed to different starting durations, like this, compressor in subsystems just can be avoided having started simultaneously, but, this scheme is higher to the installation requirement of whole heat pump, can not meet residential building, the installation requirement in the places such as office building (these occasion major parts require subsystems separate).
If do not adopt mode in parallel, but subsystems is independent separately.The situation (as sending a telegram here after re-powering, having a power failure) that just may occur simultaneously starting the compressor in each subtense angle when starting, finally can cause greater impact to electrical network, may cause the serious consequences such as tripping operation.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For this reason, the invention provides a kind of starting method of compressor of heat pump, the data elasticizing of heat pump startup time delay outstanding message of compressor when re-powering, the startup time delay outstanding message of each compressor is generated at random, after adopting in this way, angle from probability, the equal probability of startup time delay outstanding message of each compressor can be very little, thereby while effectively avoiding compressor electrifying startup, electrical network is impacted, even if accidentally exist the situation that several compressors start when powering on also can not cause large impact to electrical network simultaneously; Normal in (or after one section of special time) after compressor initial start-up completes just can be according to heat pump (that is: setting while dispatching from the factory) startup time delay outstanding message has started (can no longer according to the startup time delay outstanding message of random generation, start).
The embodiment of first aspect present invention provides a kind of starting method of compressor of heat pump, for start compressor when described heat pump powers on, when powering on, random first of the described compressor that generates of described heat pump starts time delay outstanding message, and give described compressor by described the first startup time delay outstanding message generating at random, described compressor starts after time delay outstanding message is waited for the corresponding time and starts according to give described first.
The starting method of the compressor of heat pump provided by the invention, the data elasticizing of heat pump startup time delay outstanding message of compressor when re-powering, the startup time delay outstanding message of each compressor is generated at random, after adopting in this way, angle from probability, the equal probability of startup time delay outstanding message of each compressor can be very little, thereby while effectively avoiding compressor electrifying startup, electrical network is impacted, even if accidentally exist the situation that several compressors start when powering on also can not cause large impact to electrical network simultaneously.
According to one embodiment of present invention, described heat pump includes a plurality of described compressors, and when powering on, described heat pump is random to be generated identical with described number of compressors a plurality of described first and starts time delay outstanding message, and a plurality of described the first startup time delay outstanding message one by one correspondence give a plurality of described compressors.
According to one embodiment of present invention, described heat pump also includes a plurality of subtense angles identical with described number of compressors, and a plurality of described subtense angles are a plurality of described compressors of corresponding control one by one, described heat pump is by described a plurality of described the first startup time delay outstanding message of the random generation of described a plurality of described subtense angle, and random described the first startup time delay outstanding message generating of arbitrary described subtense angle is given the described compressor of its control.
According to one embodiment of present invention, described heat pump comprises at least five described compressors and five described subtense angles.
According to one embodiment of present invention, after described compressor start, the startup of second in described heat pump time delay outstanding message is given described compressor, also alternative described first of the described compressor that is given to starts time delay outstanding message.
According to one embodiment of present invention, when non-powering on, described heat pump starts time delay outstanding message according to described second and starts described compressor.
According to one embodiment of present invention, described the first startup time delay outstanding message and described second starts time delay outstanding message and is data information, described the first startup time delay outstanding message of described heat pump random generation in specific number range.
According to one embodiment of present invention, the random generation described first in the number range of 180s～600s of described heat pump starts time delay outstanding message.
According to one embodiment of present invention, described heat pump is Hot water units, and described Hot water units comprises at least one water-heating machine.
The embodiment of second aspect present invention provides a kind of Hot water units, comprise at least one water-heating machine, the compressor on described water-heating machine adopts the starting method of the compressor of the heat pump described in above-mentioned arbitrary embodiment to start when described Hot water units powers on.
Wherein, described Hot water units comprises a plurality of described water-heating machines.
Hot water units provided by the invention, startup time delay outstanding message elasticizing when the compressor on it is powered on again (that is: the data elasticizing of the first startup time delay outstanding message), the startup time delay outstanding message of each compressor is generated at random, after adopting in this way, angle from probability, the equal probability of startup time delay outstanding message of each compressor can be very little, thereby while effectively avoiding compressor electrifying startup, electrical network is impacted, even if accidentally exist the situation that several compressors start when powering on also can not cause large impact to electrical network simultaneously, its Security is better.
In sum, the starting method of the compressor of heat pump provided by the invention, the data elasticizing of heat pump startup time delay outstanding message of compressor when re-powering, the startup time delay outstanding message of each compressor is generated at random, after adopting in this way, angle from probability, the equal probability of startup time delay outstanding message of each compressor can be very little, thereby while effectively avoiding compressor electrifying startup, electrical network is impacted, even if accidentally exist the situation that several compressors start when powering on also can not cause large impact to electrical network simultaneously; Normal in (or after one section of special time) after compressor initial start-up completes just can be according to heat pump (that is: setting while dispatching from the factory) startup time delay outstanding message has started (can no longer according to the startup time delay outstanding message of random generation, start).
Additional aspect of the present invention and advantage will become in description part below obviously, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming embodiment's description, wherein:
Fig. 1 is the schematic flow sheet that heat pump of the present invention is controlled compressor start.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
The invention provides a kind of starting method (not shown) of compressor of heat pump, for start compressor when described heat pump powers on:
Powering on, (that is: after heat pump power-off, energising also starts compressor first again, this compressor is the startup first after switching on) time, random first of the described compressor that generates of described heat pump starts time delay outstanding message, and give described compressor by described the first startup time delay outstanding message generating at random, described compressor starts after time delay outstanding message is waited for the corresponding time and starts according to give described first;
Non-powering on, (that is: heat pump has been switched on and has been started overcompression machine, this compressor is not the startup first after energising) time, described heat pump starts (that is: the normal time delay outstanding message that starts in heat pump) described compressor according to the second startup time delay outstanding message.
The starting method of the compressor of heat pump provided by the invention, the data elasticizing of heat pump startup time delay outstanding message of compressor when re-powering, the startup time delay outstanding message of each compressor is generated at random, after adopting in this way, angle from probability, the equal probability of startup time delay outstanding message of each compressor can be very little, thereby while effectively avoiding compressor electrifying startup, electrical network is impacted, even if accidentally exist the situation that several compressors start when powering on also can not cause large impact to electrical network simultaneously.
Preferably, described heat pump includes a plurality of described compressors, and when powering on, described heat pump is random to be generated identical with described number of compressors a plurality of described first and starts time delay outstanding message, and a plurality of described the first startup time delay outstanding message one by one correspondence give a plurality of described compressors.
And, described heat pump also includes a plurality of subtense angles identical with described number of compressors, and a plurality of described subtense angles are a plurality of described compressors of corresponding control one by one, described heat pump is by described a plurality of described the first startup time delay outstanding message of the random generation of described a plurality of described subtense angle, and random described the first startup time delay outstanding message generating of arbitrary described subtense angle is given the described compressor of its control.
In the present embodiment, separate between subsystems, there is not relation in parallel, without special main frame, subsystems is carried out to same control, can meet better the installation requirement in the places such as office building, residential building.
Particularly point out, the quantity of the compressor in the application can be one, two, three etc., all can realize the application's object, and its aim does not depart from design philosophy of the present utility model, should belong in the application's protection domain.
In described compressor initial start-up or repeatedly start after (after can being also one end special time completing after initial start-up), in described heat pump described second can be started to time delay outstanding message and give described compressor, make it substitute described the first startup time delay outstanding message that is given to described compressor, make compressor according to normal startup time delay outstanding message, start in follow-up startup.
Be specially: described the first startup time delay outstanding message and described second starts time delay outstanding message and is data information or other information corresponding with data described the first startup time delay outstanding message of described heat pump random generation in specific number range.
In addition, can in each subtense angle, corresponding compressor the be set data information of starting time (as 30min) the latest, when the data information of random generation is when excessive (surpassing 30min), subtense angle is directly given the second startup time delay outstanding message compressor automatically, and (subtense angle that the random data information generating of take is greater than 30min explains orally as example, be equally applicable to a plurality of situations, do not repeat them here), make it substitute the first startup time delay outstanding message of the random generation of giving compressor, to avoid occurring the situation (can understand in conjunction with Fig. 1) that compressor does not start for a long time.
This scheme can be specifically: as shown in Figure 1, first, judge whether unit is power on (that is: switching on again after power-off), if not power on, adopt the second startup time delay outstanding message to start compressor, if power on, heat pump generates the first startup time delay outstanding message of compressor at random, and give compressor by the first startup time delay outstanding message generating at random, compressor starts after time delay outstanding message is waited for the corresponding time and starts according to give first; Heat pump judgement first starts time delay outstanding message, if this first startup time delay outstanding message does not surpass the compressor data information of starting time the latest, in arrival first, start time delay outstanding message and start compressor after the corresponding time, if this first startup time delay outstanding message surpasses the compressor data information of starting time the latest, compressor starts by the second startup time delay outstanding message.
In one embodiment of the present of invention, described heat pump is preferably random generation described first in the number range of 180s～600s and starts time delay outstanding message, like this, just can avoid occurring situation that compressor does not start for a long time, also without at compressor the is set data information of starting time the latest.
Wherein, described heat pump is Hot water units, and described Hot water units comprises at least one water-heating machine, is provided with a described compressor described in each on water-heating machine.
The embodiment of second aspect present invention provides a kind of Hot water units (not shown), comprise at least one water-heating machine, the compressor on described water-heating machine adopts the starting method of the compressor of the heat pump described in above-mentioned arbitrary embodiment to start when described Hot water units powers on.
Wherein, described Hot water units comprises a plurality of described water-heating machines.
Hot water units provided by the invention, the data elasticizing of the startup time delay outstanding message when compressor on it is powered on again (that is: first starts the elasticizing of time delay outstanding message), the startup time delay outstanding message of each compressor is generated at random, after adopting in this way, angle from probability, the equal probability of startup time delay outstanding message of each compressor can be very little, thereby while effectively avoiding compressor electrifying startup, electrical network is impacted, even if accidentally exist the situation that several compressors start when powering on also can not cause large impact to electrical network simultaneously, its Security is better.
In sum, the starting method of the compressor of heat pump provided by the invention, the data elasticizing of heat pump startup time delay outstanding message of compressor when re-powering, the startup time delay outstanding message of each compressor is generated at random, after adopting in this way, angle from probability, the equal probability of startup time delay outstanding message of each compressor can be very little, thereby while effectively avoiding compressor electrifying startup, electrical network is impacted, even if accidentally exist the situation that several compressors start when powering on also can not cause large impact to electrical network simultaneously; Normal in (or after one section of special time) after compressor initial start-up completes just can be according to heat pump (that is: setting while dispatching from the factory) startup time delay outstanding message has started (can no longer according to the startup time delay outstanding message of random generation, start).
In the description of this specification, the description of term " embodiment " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a starting method for the compressor of heat pump, for start compressor when described heat pump powers on, is characterized in that,
When powering on, random first of the described compressor that generates of described heat pump starts time delay outstanding message, and give described compressor by described the first startup time delay outstanding message generating at random, described compressor starts after time delay outstanding message is waited for the corresponding time and starts according to give described first.
2. the starting method of the compressor of heat pump according to claim 1, is characterized in that,
Described heat pump includes a plurality of described compressors, and when powering on, described heat pump is random to be generated identical with described number of compressors a plurality of described first and starts time delay outstanding message, and a plurality of described the first startup time delay outstanding message one by one correspondence give a plurality of described compressors.
3. the starting method of the compressor of heat pump according to claim 2, is characterized in that,
Described heat pump also includes a plurality of subtense angles identical with described number of compressors, and a plurality of described subtense angles are a plurality of described compressors of corresponding control one by one, described heat pump is by described a plurality of described the first startup time delay outstanding message of the random generation of described a plurality of described subtense angle, and random described the first startup time delay outstanding message generating of arbitrary described subtense angle is given the described compressor of its control.
4. the starting method of the compressor of heat pump according to claim 3, is characterized in that,
Described heat pump comprises at least five described compressors and five described subtense angles.
5. according to the starting method of the compressor of the heat pump described in any one in claim 1 to 4, it is characterized in that,
After described compressor start, the startup of second in described heat pump time delay outstanding message is given described compressor, also alternative described first of the described compressor that is given to starts time delay outstanding message.
6. the starting method of the compressor of heat pump according to claim 5, is characterized in that,
When non-powering on, described heat pump starts time delay outstanding message according to described second and starts described compressor.
7. the starting method of the compressor of heat pump according to claim 6, is characterized in that,
Described the first startup time delay outstanding message and described second starts time delay outstanding message and is data information, described the first startup time delay outstanding message of described heat pump random generation in specific number range.
8. the starting method of the compressor of heat pump according to claim 7, is characterized in that,
The random generation described first in the number range of 180s～600s of described heat pump starts time delay outstanding message.
9. the starting method of the compressor of heat pump according to claim 8, is characterized in that,
Described heat pump is Hot water units, and described Hot water units comprises at least one water-heating machine.
10. a Hot water units, comprises at least one water-heating machine, it is characterized in that, the compressor on described water-heating machine adopts the starting method of the compressor of heat pump as claimed in any one of claims 1-9 wherein to start when described Hot water units powers on.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110701840A (en) * | 2019-09-12 | 2020-01-17 | 浙江中广电器股份有限公司 | Compressor starting low-pressure control method, compressor and low-temperature heat pump system |
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