CN209014984U - Device for open and close valve pressure test - Google Patents
Device for open and close valve pressure test Download PDFInfo
- Publication number
- CN209014984U CN209014984U CN201821369951.6U CN201821369951U CN209014984U CN 209014984 U CN209014984 U CN 209014984U CN 201821369951 U CN201821369951 U CN 201821369951U CN 209014984 U CN209014984 U CN 209014984U
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- Prior art keywords
- valve
- pressure
- processor
- open
- pressure sensor
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Abstract
The utility model provides a kind of device for open and close valve pressure test, including gas source, processor, the display being connected to the processor and six sets of testing agencies being electrically connected respectively with the processor, the testing agency includes pressure sensor, standard valve seat and the throttle valve being sequentially arranged in the downstream line of gas source, flowmeter and gas nozzle, wherein the standard valve seat is used to connect with Capsule to control the depth in gas nozzle insertion battery liquid-filling hole, the pressure point of the pressure sensor is between the flowmeter and the gas nozzle, the pressure sensor and the throttle valve are connected to the processor respectively.It has the advantages that strong controllability, high reliablity, intelligence degree are high.
Description
Technical field
The utility model belongs to the raw material detection field of lead-acid accumulator, specifically, is related to a kind of open and close valve pressure survey
The device of examination.
Background technique
In the production process of valve-regulated sealed lead-acid batteries, a kind of important raw material: rubber cap, master are used
Safety valve must be functioned as when battery carries out discharge and recharge reaction, the gas that discharge generates in time protects battery not send out
Raw bulge phenomenon.In the inspection of valve-regulated sealed lead-acid batteries rubber cap, the common method of inspection is by hand in industry
Measurement method controls air pressure of supplying gas using clear water, sheet glass and gas nozzle on standard valve seat, by observe bubble when
Between determine valve opening state, to confirm pressure gauge reading, as cracking pressure；Observing pressure reading when not bubbling is
Valve closing pressure.A whole set of test process is referred to as open and close valve pressure test, is an important qualifying point in raw material.
There are six cell negative terminals for one valve-regulated sealed lead-acid batteries tool, in open and close valve pressure test sequence, by
The open and close valve pressure of six cell negative terminals of a test, it is more time-consuming.Also cause to remember because the manual operation time controls difference simultaneously
Open and close valve time difference is recorded, open and close valve pressure value is influenced, thus cause the result of test different, it cannot be guaranteed that the inspection of raw and process materials
Reliability.
To solve the above-mentioned problems, we are seeking always a kind of ideal technical solution.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, to provide, a kind of detection sensitivity is high, work effect
The device for open and close valve pressure test of rate height and recordable automation.
The technical solution adopted in the utility model are as follows: a kind of device for open and close valve pressure test, including gas source, processing
Device, the display being connected to the processor and six sets of testing agencies being electrically connected respectively with the processor, the detection machine
Structure includes pressure sensor, standard valve seat and the throttle valve being sequentially arranged in the downstream line of gas source, flowmeter and gas nozzle,
Wherein the standard valve seat is used to connect with Capsule to control the depth in gas nozzle insertion battery liquid-filling hole, and the pressure passes
The pressure point of sensor can effectively indicate tested gas flow in time of measuring between the flowmeter and the gas nozzle
Total amount.The pressure sensor and the throttle valve are connected to the processor respectively, and the processor control throttle valve is opened
Size adjusting gas flow is closed, flow meter pressure output signal is shown in display screen after being handled in the processor.
Six Capsules are separately mounted in six single lattices of battery, are tested simultaneously, and the moment that valve is opened, valve closes automatically records open and close valve pressure
Power can reduce manual operation influence factor, and improve the detector efficiency of Capsule.
Based on above-mentioned, the testing agency further includes solenoid directional control valve and pressure reducing valve, the solenoid directional control valve and described is subtracted
Pressure valve is sequentially arranged on the pipeline of the throttle valve upstream.Solenoid directional control valve is used to adjust the side of the gas provided by gas source
To, speed, flow and other parameters.Pressure reducing valve is connected with solenoid directional control valve, and inlet pressure is reduced to the pressure of needs, is used
Mouth pressure keeps stablizing in certain error range.The two collective effect is no more than in the pressure limit of protection pressure sensor
The upper limit plays the role of effective protection.
Based on above-mentioned, the pressure sensor is piezoresistive transducer.Piezoresistive transducer is used as signal measurement element
Laser resistor trimming technique has carried out the zero point and sensitivity temperature compensation of wide temperature range, tests the high sensitivity of pressure.
Based on above-mentioned, the processor is PLC controller.Manual intervention mode is simple, better control system, so that setting
It is standby more intelligent.
The utility model has substantive features and progress compared with the prior art, and specifically, the utility model electromagnetism changes
The pressure for providing gas to gas source to valve, throttle valve, pressure reducing valve is adjusted, and makes gas outlet pressure in certain error range
Interior holding is stablized, while protecting pressure sensor.Furtherly, the utility model is on the basis of original hand dipping, by people
Work pressurization is adjusted to instrument Self-pressurizing agri, and pressure is shown to be adjusted to feed back everywhere by pressure sensor by original mercury mercury column
Device is managed, is shown in digital form by display, more intuitively；Eliminate the mistake of Manual pressurizing rate unevenness and manual record
Difference, controllability is strong, high reliablity, intelligence degree are high.It is strong with controllability, high reliablity, intelligence degree are high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1. air accumulators, 2. solenoid directional control valves, 3. pressure reducing valves, 4. throttle valves, 5. flowmeters, 6. pressure sensors, 7.
Standard valve seat, 8. Capsules, 9. sheet glass.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, the utility model include gas source, processor, the display being connected to the processor and respectively with
Six sets testing agencies of processor electrical connection, the gas source are air accumulator 1, the testing agency include pressure sensor 6,
Standard valve seat 7 and the solenoid directional control valve 2 being sequentially arranged in the downstream line of gas source, pressure reducing valve 3, throttle valve 4, flowmeter 5
And gas nozzle, wherein the standard valve seat 7 is used for and the connection of Capsule 8 is to control the depth that the gas nozzle is inserted into battery liquid-filling hole,
The pressure sensor 6 is piezoresistive transducer, and the pressure point of the pressure sensor 6 is located at the flowmeter 5 and the gas
Between mouth, the pressure sensor 6 and the throttle valve 4 are connected to the processor respectively.
When operation, test gas is respectively enterd in 6 sets of testing agencies by air accumulator 1, and gas is suitable in every set testing agency
Pipeline followed by solenoid directional control valve 2, pressure reducing valve 3, throttle valve 4, flowmeter 5, gas nozzle and standard valve seat 7, into safety valve
In Capsule 8.
Steps are as follows for the use of the utility model:
One, six standard valve seats 7 are attached with storage battery middle cover respectively, standard valve seat 7 is connected to storage battery liquid filling
At hole, the Capsule 8 in each 7 upper cover of standard valve seat, standard valve seat 7 is interior to be added clear water, is respectively pushed Capsule 8 with sheet glass 9
(standard test weight of about 350g is set on sheet glass)；
Two, it is separately connected gas nozzle and standard valve seat 7, adjusts separately gas nozzle, its top is made to be located at the fluid injection of storage battery middle cover
At hole about 1/2.
Four, the air inlet start key of display is clicked, opens solenoid directional control valve 2,3 and of pressure reducing valve of six sets of testing agencies respectively
Throttle valve 4, so that the pressure of each pressure sensor 6 rising 2.0KPa per second or so (only needing to adjust for the first time)；
Five, the test starting key for clicking display, starts to test, when showing cracking pressure, valve closing pressure on display screen
After click stop key, record test result；Excessive gas is discharged, is pressed when valve opening and shows 0KPa, starts after standing 1-2min next
Secondary test, is repeated four times, and each open and close valve pressure takes four average value respectively.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand, specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (4)
1. a kind of device for open and close valve pressure test, including gas source, processor, the display being connected to the processor and
Six sets of testing agencies being electrically connected respectively with the processor, which is characterized in that the testing agency includes pressure sensor, mark
Quasi- valve seat and the throttle valve being sequentially arranged in the downstream line of gas source, flowmeter and gas nozzle, wherein the standard valve seat is used
In being connected with Capsule to control the depth in gas nozzle insertion battery liquid-filling hole, the pressure point of the pressure sensor is located at institute
It states between flowmeter and the gas nozzle, the pressure sensor and the throttle valve are connected to the processor respectively.
2. the device according to claim 1 for open and close valve pressure test, which is characterized in that the testing agency also wraps
Solenoid directional control valve and pressure reducing valve are included, the solenoid directional control valve and the pressure reducing valve are sequentially arranged at the pipeline of the throttle valve upstream
On.
3. the device according to claim 1 or 2 for open and close valve pressure test, which is characterized in that the pressure sensing
Device is piezoresistive transducer.
4. the device according to claim 3 for open and close valve pressure test, which is characterized in that the processor is PLC
Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369951.6U CN209014984U (en) | 2018-08-24 | 2018-08-24 | Device for open and close valve pressure test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369951.6U CN209014984U (en) | 2018-08-24 | 2018-08-24 | Device for open and close valve pressure test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209014984U true CN209014984U (en) | 2019-06-21 |
Family
ID=66831564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821369951.6U Expired - Fee Related CN209014984U (en) | 2018-08-24 | 2018-08-24 | Device for open and close valve pressure test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209014984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220317A (en) * | 2020-02-26 | 2020-06-02 | 华富(江苏)电源新技术有限公司 | Detection method for safety valve hole of middle cover of storage battery |
-
2018
- 2018-08-24 CN CN201821369951.6U patent/CN209014984U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220317A (en) * | 2020-02-26 | 2020-06-02 | 华富(江苏)电源新技术有限公司 | Detection method for safety valve hole of middle cover of storage battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20190824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |